History Of Surgery For Cancer Under Tongue. Vomiting Blood, Blood In Stool, Swollen Feet

my brother in law had surgery approx 5 yrs ago for cancer under the tunge and spit glands removed. he was told to save cemo due to it may come back. He thinks he has groths in the mouth, cheek bones etc. he chose not to go back into the doctor for futher treatment. He is self medicating with essisive beer drinking. 20 cases of 30 beers in each case a month. he is vomiting blood and in the stool. his feet swell for severial day at a time to the point it hurts to walk on them and his blood vessels pop and spray blood everywhere. his heart area is in pain. does not go out of the apartment due to essivive fatiguge. go out to back portch to smoke and has to lay down due to lack of oxigen. he has nose bleeds and bad headachs. his vision has became extreamly blurrey. can this condition be also due to the essive drinking. he will not go to the doctor.