Pharmacological tumor PDL1 depletion with chlorambucil treats ovarian cancer and melanoma: improves antitumor immunity and renders anti-PDL1-resistant tumors anti-PDL1-sensitive through NK cell effects ========================================================================================================================================================================================================= * Haiyan Bai * Alvaro S Padron * Yilun Deng * Yiji J Liao * Clare J Murray * Carlos Ontiveros * Suresh J Kari * Aravind Kancharla * Anand V R Kornepati * Myrna Garcia * Ryan Michael Reyes * Harshita B Gupta * Jose R Conejo-Garcia * Tyler Curiel