RCAd-LTH-shPD-L1, a double-gene recombinant oncolytic adenovirus with enhanced antitumor immunity, increases lymphocyte infiltration and reshapes the tumor microenvironment ============================================================================================================================================================================ * Yuan Meng * Haotian Liu * Haoran Zhu * Wanrong Zhang * Dong Sun * Xuefei Han * Ying Liu * Guangzuo Luo