21-year-old woman with abdominal pain

A 21-year-old woman presented with lower abdominal pain, melena, and fatigue. The patient has a history of tubulointerstitial nephritis, status pos…

56-year-old woman with dysphagia

A 56-year-old woman presented for preoperative lung transplant evaluation. The patient had a history of gastroesophageal reflux and dysph…