 - Receipt of the last dose of chemotherapy or tyrosine kinase inhibitors should be at least 3 weeks prior to durvalumab and tremelimumab dosing; monoclonal antibodies such as bevacizumab, ziv-aflibercept, ramucirumab, cetuximab, and panitumumab should be at least 6 weeks prior to durvalumab and tremelimumab therapy 