arnold klein has done amazing work on this. government and it's desire to do good has actually done a whole lot bad? we'll explain. we'll be right back. ♪. known as a loving parent. known for lessons that matter. known for being a free spirit. no one wants to be known for cancer, but a treatment can be. keytruda is known to treat cancer, fda-approved for 17 types of cancer. one of those cancers is advanced nonsquamous, non-small cell lung cancer, where keytruda is approved to be used with certain chemotherapies as your first treatment if you do not have an abnormal “egfr” or “alk” gene. keytruda can cause your immune system to attack healthy parts of your body during or after treatment. this may be severe and lead to death. see your doctor right away if you have cough, shortness of breath, chest pain, diarrhea, severe stomach pain, severe nausea or vomiting, headache, light sensitivity, eye problems, irregular heartbeat, extreme tiredness, constipation, dizziness or fainting, changes in appetite, thirst, or urine, confusion, me