Talk to Gastroenterologist on Stomach Ulcer And Red Spots In The Middle Of Chest

Husband ko 2013 main Acute hepatitis hua tha but he got treated. after that he got stomach issues . Now he is vomiting with little amount of blood. Husband says that jab se stomach issue hua tab se he chest pr jo spots hain wo hue or jab condition severe hojati tab spots ziada dark hojatay means during heart burn..Doctors told him its Ulcer in stomach go for Endoscopy jis se stomach k ander medicine apply kraingy or yeh 2,3 times krwani prygi. few doctors said these spots are skin issue , it get sometimes itchy and he feels heat. I want to know that is it related to stomach ulcer or its a separate dermatological issue? Please answer me in detail.