Duodenal Metastasis From Primary Lung Adenocarcinoma: A Diagnostic and Therapeutic Challenge

Distant metastasis from primary lung cancer is mostly seen in the liver, brain, adrenal glands and bones. Small bowel, specifically duodenum a relatively unusual site for distant carcinoma. This case reports rare scenario of upper gastrointestinal bleeding caused by duodenal adenocarcinoma. A 43-year-old woman presented to emergency department with complaints progressive hemoptysis past three weeks. Esophagogastroduodenoscopy (EGD) revealed 2.5 cm x fungating villous mass-like structure first portion duodenum, normal-appearing esophagus stomach. Biopsies were performed, which histologically consistent poorly differentiated malignant. The immunohistochemical (IHC) staining was metastatic disease Due its rarity, there are no solidified guidelines management Our challenging due extensive low functional status patient ultimately managed home hospice.