A 42-year-old woman presented to the emergency department with one month of worsening abdominal pain, nausea and vomiting, and fevers.

A 40-year-old woman presented with small brown flecks in her urine over the previous two to three months. Her medical history was significant for Crohn’s disease.

A 35-year-old woman with a past surgical history of laparoscopic cholecystectomy presented with diffuse right upper quadrant and left-sided abdominal pain radiating to the lower back, with an elevated beta-hCG.

A 57-year-old woman presented with acute onset left-sided abdominal pain. Additional history is being withheld.

A 77-year-old man presented to the emergency department with right upper quadrant pain.

History: A 63-year-old woman presented with periumbilical abdominal pain, five days of obstipation, and per os intolerance.

A 27-year-old woman presented with difficulty swallowing and chest pain she had experienced for a few days. Her medical history was significant for congenitally acquired HIV.

A 68-year-old woman presented with diffuse abdominal pain and bloating.

A 47-year-old woman with history of a Roux-en-Y gastric bypass years ago presented with acute-onset abdominal pain.

A 21-year-old woman presented with lower abdominal pain, melena, and fatigue. The patient has a history of tubulointerstitial nephritis, status post kidney transplant, and was admitted for occult GI bleed.

An 89-year-old man presented with worsening abdominal pain, bloating, and nausea.

A 32-year-old woman presented with severe abdominal pain she had been experiencing for the previous two weeks.

A 72-year-old man presented with increasing abdominal pain. There was no history of trauma or any recent procedure.

A 28-year-old man presented to the emergency room in respiratory distress after accidentally ingesting oven cleaner.

A 42-year-old woman with a history of hyperlipidemia was found to have a mass on abdominal CT.

A 58-year-old man presented for follow-up status post diverting loop ileostomy and reversal of Hartmann's procedure.

A 28-year-old man with a history of asthma presented with constant left lower quadrant abdominal pain after eating.

A 56-year-old woman presented for preoperative lung transplant evaluation. The patient had a history of gastroesophageal reflux and dysphagia to solids but not liquids.

A 53-year-old woman presented with abdominal pain in the upper right quadrant, which had been ongoing for a month.

A 71-year-old woman presented to the emergency department due to altered mental status.