Duodenal gastrointestinal stromal tumor presenting with life-threatening upper GI bleeding in a young patient: A case report and literature review.

Key Clinical Message: Duodenal GISTs are rare and challenging tumors. Acute life-threatening upper GI bleeding is a possible presentation of duodenal GISTs. Surgery is the standard treatment for localized duodenal GISTs.

Agenesis of the right lobe of the liver: a case report.

Introduction: Agenesis of the right hepatic lobe is a rare congenital anomaly. Developmental anomalies of the right lobe of the liver were first reported in 1870 by Heller [6]. Anatomical variations of the liver are common, occur during the normal development of the organ, and correspond to variations in the distribution of liver territories.