A 66-year-old woman with suprapubic and back pain, diarrhea, dehydration, hyponatremia, and rectal bleeding.

A 67-year-old man with diffuse abdominal pain that has worsened in the past few weeks.

A 22-year-old man with subacute abdominal pain and diarrhea.

A 66-year-old woman with worsening abdominal pain and dysphagia and a history of pancreatic adenocarcinoma.

A 38-year-old asymptomatic man with a history of type A aortic dissection undergoing surveillance imaging.

A 66-year-old man with a history of gastrointestinal tract polyps and lesions in the pancreas.

A 59-year-old man with worsening abdominal pain and nausea/vomiting and a history of lung and renal transplantation.

A 52-year-old woman with hours of abdominal pain and nausea.

A patient with abdominal pain out of proportion to the exam.

A 39-year-old man with several months of abdominal pain, now with acute worsening.

A 45-year-old woman with sudden-onset epigastric pain, nausea, and vomiting.

A 21-year-old woman with nausea and left lower-quadrant abdominal pain.

An 87-year-old woman with persistent dysphagia and cough.

A 77-year-old woman with right-sided abdominal pain.

A 28-year-old man with acute worsening of scrotal swelling.

A 52-year-old man with increasing abdominal pain.

A 64-year-old man with abdominal pain, dark stool, and anemia.

A 72-year-old man with melena and subsequent hematochezia.

A 3-day-old infant presents with bilious vomiting soon after feeds.

Patient who recently underwent a Whipple procedure now with abdominal pain and vomiting.