he had a cancerous tumor removed about a year ago from his bladder. he has been losing weight everywhere but his stomach. his stomach is always bloated and hurting. he has been throwing up yellow stuff for 24 hours. his pain in his stomach is severe at times. last night he woke me up and was sweating so badly it was running down his chest. he hasn't had any diarreah. he says that his stomach is shaking inside. his other medical conditions are faulty heart valves, copd, emphasemia, gerd and he also has white spots on his feet.