Effect of cyclo-oxygenase inhibitor use during checkpoint blockade immunotherapy in patients with metastatic melanoma and non-small cell lung cancer ==================================================================================================================================================== * Shang-Jui Wang * Karishma Khullar * Sinae Kim * Nikhil Yegya-Raman * Jyoti Malhotra * Roman Groisberg * Samuel H Crayton * Ann W Silk * John L Nosher * Michael A Gentile * Janice M Mehnert * Salma K Jabbour