Multilocular Cystic Mass Located in Epigastric Region and Right Area of the Abdomen in an Old Man

A 67-year-old man presented with generalized abdominal pain, abdominal distension, and inability of defecation and gas passage, which persisted for two months. The pain was constant, which was first appeared in the epigastric and right upper quadrant (RUQ) regions but gradually became generalized. The pain intensified by bending and eating food while alleviated by lying. The patient complained of constipation, weight loss, and loss of appetite. He also reported a few times of vomiting after eating. He had no diarrhea, fever, icterus, dysuria, hematuria, shortness of breath, and coughing. There was no blood in the stool.