By Unknown Thursday, April 7, 2016 Mesothelioma warrior how Keytruda gave me back my life. Trevor Grant Trevor Grant, Mesothelioma warrior tells his story How Keytruda gave me back my life! Petition update HOW KEYTRUDA GAVE ME BACK MY LIFE...Trevor Grant, 64 yrs, Melbourne, Victoria, Australia Lou (Louise) Williams Australia 7 A...