My father had a problem pain in chest muscle and joint in left leg were thigh and body getting joined. We saw lot of doctor and finally went with urology and gastroenterology. As per suggestion, have taken pet CT scan and found there some lesion found in liver and large industane and some bone cancer trace. we done upper endoscopy and lower endoscopy. No issue found. Now they suggest for blood check up. Please suggest .Do my father cancer problem or not. Apart from this he seems to be healthy.