I start Lenvima Aug 5,I am currently on keytruda stand alone. Dx endometrial ca with mets serous Dec 2025.Doing well had 3 ct scans tx is working early response when Doing chemo completed May12,2025. Problem is I don't it have the biomarkers for keytruda that's why oncologist is adding Lenvima 20mg. I am. very nervous about the dosage n side effects.