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href=\u0022\/lookup\/external-ref?access_num=Kaltenmeier%20C\u0026amp;link_type=AUTHORSEARCH\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EPubMed articles\u003C\/a\u003E\u003Ca href=\u0022\/lookup\/google-scholar?author%5B0%5D=%22author%3AChristof%20Kaltenmeier%22\u0026amp;gs_type=author\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EGoogle scholar articles\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u0022odd\u0022\u003E\u003Cspan class=\u0022nlm-given-names\u0022\u003ELin\u003C\/span\u003E \u003Cspan class=\u0022nlm-surname\u0022\u003EZhang\u003C\/span\u003E \u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-9\u0022\u003EDepartment of 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href=\u0022\/lookup\/google-scholar?author%5B0%5D=%22author%3ALin%20Zhang%22\u0026amp;gs_type=author\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EGoogle scholar articles\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u0022even\u0022\u003E\u003Cspan class=\u0022nlm-given-names\u0022\u003EDaniel P.\u003C\/span\u003E \u003Cspan class=\u0022nlm-surname\u0022\u003ENormolle\u003C\/span\u003E \u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-11\u0022\u003EDepartment of Biostatistics\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-name\u0022 data-hwp-id=\u0022institution-12\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 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target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EPubMed articles\u003C\/a\u003E\u003Ca href=\u0022\/lookup\/google-scholar?author%5B0%5D=%22author%3AGordon%20J.%20Freeman%22\u0026amp;gs_type=author\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EGoogle scholar articles\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u0022even\u0022\u003E\u003Cspan class=\u0022nlm-given-names\u0022\u003EDaolin\u003C\/span\u003E \u003Cspan class=\u0022nlm-surname\u0022\u003ETang\u003C\/span\u003E \u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-7\u0022\u003EDepartment of Surgery\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 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articles\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u0022odd\u0022\u003E\u003Cspan class=\u0022nlm-given-names\u0022\u003EKatie S.\u003C\/span\u003E \u003Cspan class=\u0022nlm-surname\u0022\u003ENason\u003C\/span\u003E \u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-1\u0022\u003EDepartment of Cardiothoracic Surgery\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-name\u0022 data-hwp-id=\u0022institution-2\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022city\u0022\u003EPittsburgh\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022state\u0022\u003EPA\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-country\u0022 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data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-15\u0022\u003EDepartment of Pathology\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-name\u0022 data-hwp-id=\u0022institution-16\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022city\u0022\u003EPittsburgh\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022state\u0022\u003EPA\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-country\u0022 data-country=\u0022US\u0022\u003EUSA\u003C\/span\u003E\n\u003C\/span\u003E \u003Ca href=\u0022\/lookup\/external-ref?access_num=Davison%20JM\u0026amp;link_type=AUTHORSEARCH\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EPubMed articles\u003C\/a\u003E\u003Ca href=\u0022\/lookup\/google-scholar?author%5B0%5D=%22author%3AJon%20M.%20Davison%22\u0026amp;gs_type=author\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EGoogle scholar articles\u003C\/a\u003E\u003C\/li\u003E\u003Cli class=\u0022odd\u0022\u003E\u003Cspan class=\u0022nlm-given-names\u0022\u003EJames D.\u003C\/span\u003E \u003Cspan class=\u0022nlm-surname\u0022\u003ELuketich\u003C\/span\u003E \u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-1\u0022\u003EDepartment of Cardiothoracic Surgery\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-name\u0022 data-hwp-id=\u0022institution-2\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 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data-hwp-id=\u0022institution-8\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022city\u0022\u003EPittsburgh\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 data-content-type=\u0022state\u0022\u003EPA\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-country\u0022 data-country=\u0022US\u0022\u003EUSA\u003C\/span\u003E\n\u003C\/span\u003E\u003Cspan class=\u0022nlm-aff\u0022\u003E\n\n\u003Cspan class=\u0022nlm-institution-wrap\u0022\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-division\u0022 data-hwp-id=\u0022institution-17\u0022\u003EDepartment of Immunology\u003C\/span\u003E\u003Cspan class=\u0022nlm-institution\u0022 data-content-type=\u0022org-name\u0022 data-hwp-id=\u0022institution-18\u0022\u003EUniversity of Pittsburgh\u003C\/span\u003E\u003C\/span\u003E\n\u003Cspan class=\u0022nlm-addr-line\u0022 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class=\u0022nlm-country\u0022 data-country=\u0022US\u0022\u003EUSA\u003C\/span\u003E\n\u003C\/span\u003E \u003Ca href=\u0022\/lookup\/external-ref?access_num=Lotze%20MT\u0026amp;link_type=AUTHORSEARCH\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EPubMed articles\u003C\/a\u003E\u003Ca href=\u0022\/lookup\/google-scholar?author%5B0%5D=%22author%3AMichael%20T.%20Lotze%22\u0026amp;gs_type=author\u0022 target=\u0022_blank\u0022 class=\u0022authour-link\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EGoogle scholar articles\u003C\/a\u003E\u003C\/li\u003E\u003C\/ul\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E  \u003C\/div\u003E\n\n  \n  \u003C\/div\u003E\n\u003C\/div\u003E\n\t\t\t\u003C\/div\u003E\n\t\t\u003C\/div\u003E\n\t\n\t\u003C\/div\u003E \u003C!-- \/.panel-row-wrapper --\u003E\t\n\t  \n  \u003Cdiv class=\u0022panel-row-wrapper clearfix\u0022\u003E\n\t\t\n\t\t\u003Cdiv class=\u0022content-wrapper\u0022\u003E\n\t\t\t\u003Cdiv class=\u0022panel-panel panel-region-content\u0022\u003E\n\t\t\t  \u003Cdiv class=\u0022inside\u0022\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-article-citation\u0022\u003E\n  \n        \u003Ch2 class=\u0022pane-title\u0022\u003ECitation\u003C\/h2\u003E\n    \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022highwire-article-citation highwire-citation-type-highwire-article node5300\u0022 data-node-nid=\u00225300\u0022 id=\u0022node-5300--21694587483\u0022 data-pisa=\u0022jitc;4\/1\/65\u0022 data-pisa-master=\u0022jitc;10.1186\/s40425-016-0163-8\u0022 data-apath=\u0022\/jitc\/4\/1\/65.atom\u0022\u003E\u003Cdiv class=\u0022highwire-cite highwire-cite-highwire-article highwire-citation-v1-cp clearfix bmjj-article-citation\u0022\u003E\n  \n  \n    \t\u003Cdiv class=\u0022highwire-cite-authors\u0022\u003E\u003Cspan class=\u0022highwire-citation-authors\u0022\u003E\u003Cspan class=\u0022highwire-citation-author first\u0022 data-delta=\u00220\u0022\u003E\u003Cspan class=\u0022nlm-surname\u0022\u003EVan Der Kraak\u003C\/span\u003E L\u003C\/span\u003E, \u003Cspan class=\u0022highwire-citation-author\u0022 data-delta=\u00221\u0022\u003E\u003Cspan class=\u0022nlm-surname\u0022\u003EGoel\u003C\/span\u003E G\u003C\/span\u003E, \u003Cspan class=\u0022highwire-citation-author\u0022 data-delta=\u00222\u0022\u003E\u003Cspan class=\u0022nlm-surname\u0022\u003ERamanan\u003C\/span\u003E K\u003C\/span\u003E\u003C\/span\u003E\u003Cspan class=\u0022citation-et\u0022\u003E, et al\u003C\/span\u003E\u003C\/div\u003E\n  \n      \u003Cdiv class=\u0022highwire-cite-title\u0022\u003E5-Fluorouracil upregulates cell surface B7-H1 (PD-L1) expression in gastrointestinal cancers\u003C\/div\u003E  \n      \n    \t\u003Cdiv class=\u0022highwire-cite-metadata bmjj-citation-metadata\u0022\u003E\u003Cspan class=\u0022highwire-cite-metadata-journal highwire-cite-metadata\u0022\u003EJournal for ImmunoTherapy of Cancer \u003C\/span\u003E\u003Cspan class=\u0022highwire-cite-metadata-year highwire-cite-metadata\u0022\u003E2016;\u003C\/span\u003E\u003Cspan class=\u0022highwire-cite-metadata-volume highwire-cite-metadata\u0022\u003E4:\u003C\/span\u003E\u003Cspan class=\u0022highwire-cite-metadata-elocation-id highwire-cite-metadata\u0022\u003E65. \u003C\/span\u003E\u003Cspan class=\u0022highwire-cite-metadata-doi highwire-cite-metadata\u0022\u003E\u003Cspan class=\u0022label\u0022\u003Edoi:\u003C\/span\u003E 10.1186\/s40425-016-0163-8 \u003C\/span\u003E\u003C\/div\u003E\n  \n  \n  \n\u003C\/div\u003E\u003C\/div\u003E  \u003C\/div\u003E\n\n  \n  \u003C\/div\u003E\n\u003Cdiv class=\u0022panel-separator\u0022\u003E\u003C\/div\u003E\u003Cdiv class=\u0022panel-pane pane-panels-mini pane-jnl-template-bmjj-art-pub-history\u0022\u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022panel-display highwire-1col-stacked-layout\u0022 id=\u0022mini-panel-jnl_template_bmjj_art_pub_history\u0022\u003E\n\t  \n  \u003Cdiv class=\u0022panel-row-wrapper clearfix\u0022\u003E\n\t\t\n\t\t\u003Cdiv class=\u0022content-wrapper\u0022\u003E\n\t\t\t\u003Cdiv class=\u0022panel-panel panel-region-content\u0022\u003E\n\t\t\t  \u003Cdiv class=\u0022inside\u0022\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-pubdate bmjj-pub-date\u0022\u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022field field-name-field-highwire-a-epubdate field-type-datetime field-label-inline clearfix\u0022\u003E\u003Cdiv class=\u0022field-label\u0022\u003EOnline issue publication\u0026nbsp;\u003C\/div\u003E\u003Cdiv class=\u0022field-items\u0022\u003E\u003Cdiv class=\u0022field-item even\u0022\u003E\u003Cspan class=\u0022date-display-single\u0022\u003EOctober 18, 2016\u003C\/span\u003E\u003C\/div\u003E\u003C\/div\u003E\u003C\/div\u003E 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