A<unk>  can be grouped into a stercoral perforation which involves a number of different things that causes perforation of the intestine wall. The first symptom of a<unk>  peptic ulcer is usually sudden, severe, sharp pain in the abdomen. The experience is typically so intense that most people precisely recall the exact moment the pain began. The pain is typically at its maximum immediately and persists. It is characteristically made worse by any movement, and greatly intensifies with coughing or sneezing.
Perforated ulcer
Tropical ulcer
Callous ulcer
Evisceration 
Kangri ulcer
Cushing ulcer
Gastric erosion
Curling's ulcer