Acute acalculous cholecystitis due to breast cancer metastasis to the cystic duct.

Background: Acute acalculous cholecystitis (AAC) is a relatively rare disorder of the gallbladder. Breast cancer recurrence more than 10 years after curative surgery is also infrequent.

Case Presentation: Here, we report a case of a 59-year-old woman who presented with right flank pain.

A Low-Grade Fibromyxoid Sarcoma of the Internal Abdominal Oblique Muscle.

A low-grade fibromyxoid sarcoma (LGFMS) is a rare tumor, with a benign histologic appearance but malignant behavior. This report describes a 74-year-old man with an internal abdominal oblique muscle mass. The tumor appeared as a well-defined ovoid mass on computed tomography, with mild uptake on fluorine-18-fluorodeoxyglucose positron-emission tomography images.

A case of systemic sclerosis sine scleroderma associated with perforation of an afferent loop after subtotal gastrectomy with Billroth 2 anastomosis for its severe gastrointestinal involvement.

A 50-year-old man was admitted to hospital for dysphagia. The upper gastrointestinal series revealed esophageal stricture, pyloric stenosis, and hypomotile small intestine. He was diagnosed with systemic sclerosis sine scleroderma with gastrointestinal involvement.