#Gastroduodenal
Perforated peptic ulcer
Perforated gastric carcinoma
Acute gastritis
Irritant poisons

#Intestinal
Small bowel obstruction
Regional ileitis
Intussusception
Sigmoid volvulus
Acute colonic diverticulitis
Large bowel obstruction
Strangulated hernia
Acute mesenteric occlusion

#Appendix
Acute appendicitis

#Pancreas
Acute pancreatitis
Recurrent pancreatitis
Pancreatic trauma

#Gallbladder and bile ducts
Gallstone
CBD stone
Acute cholecystitis
Acute cholangitis

#Liver
Liver trauma
Acute hepatitis
Liver malignancy

#Spleen
Splenic trauma
Spontaneous rupture of spleen
Splenic infarction

#Urinary tract
Renal calculus
Ureteric calculus
Vesical calculus
Renal trauma
Pyelonephritis
Pyonephrosis

#Female genitalia
Salpingitis
Pyosalpinx
Ectopic pregnancy
Torsion of fibroid
Degenaration of fibroid
Twisted ovarian cyst
Ruptured ovarian cyst

#Aorta
Ruptured abdominal aortic aneurysm
Dissecting abdominal aortic aneurysm

#CNS
Herpes zoster

#Cardiac
Myocardial infarction
Acute pericarditis

#Pleura
Acute diaphragmatic pleurisy