question: my father 66M has lung imfection for last 3 months . fever for last one and a half months it comes and goes regularly. lung infection now dignose as a primary stage cancer so he get his first cancer therapy by drips on 11/2/2014. but now even after that fever came 102. cant uderstand the reason ,we are very puzzled ,midle class family can afford costly treaent yet trying but we get deptessed by father's fever. please help.