MK3475-587

-To estimate the overall survival
-To evaluate the safety and tolerability of pembrolizumab or a
pembrolizumab-based combination The purpose of the study is to continue to collect long term information on the safety of pembrolizumab (also known as Keytruda ®) or pembrolizumab-based combinations in participant with advanced tumor who received or are receiving it as part of the protocol they are currently enrolled in. This is a multicenter, non-randomized and open-label, Phase III extension trial.