therapies prior received number anti patients therapy cancer anticancer treatment 
pd programmed anti death ligand cell lymphocyte ctla antibody cytotoxic 
concurrent therapy investigational agents chemotherapy cancer treatment use immunotherapy anti 
chemotherapy prior received cytotoxic patients regimen treatment cancer regimens systemic 
therapy prior anti chemotherapy systemic cancer hormonal treatment patients radiation 
radiation therapy prior weeks chemotherapy treatment patients study received palliative 
pelvic radiation prior radiotherapy irradiation previous abdominal therapy history patients 
pd inhibitor ctla prior anti treatment therapy including durvalumab previous 
prostate cancer adenocarcinoma prior biopsy therapy diagnosis treatment prostatectomy chemotherapy 
neck head radiation squamous carcinoma cancer cell prior therapy cavity 
anti pd ctla antibody prior therapy received checkpoint targeting agent