A 55-year-old woman with abdominal pain.

A 38-year-old woman with newly diagnosed AIDS presented with abdominal pain.

A 39-year-old woman presented to the emergency department with abdominal pain.

A 65-year-old man with a history of abdominal aortic aneurysm (AAA) status post endovascular aneurysm repair (EVAR) two years prior to presentation.

A 55-year-old woman with left flank pain.

A 63-year-old man with a history of flushing and diarrhea.

A 73-year-old woman known for essential hypertension and type 2 diabetes was brought to the emergency department for fever, severe abdominal pain, and shock.

A 45-year-old woman transferred from an outside hospital with acute abdominal pain.

A 65-year-old woman with pancreatic head mass, jaundice, fevers, chills, and right upper quadrant pain.

A 75-year-old man with chronic abdominal pain.

A 49-year-old woman presents with flank pain and obstructive urinary symptoms. Patient has a history of hepatitis B and hepatocellular carcinoma status post orthotopic liver transplant four years ago.

A 61-year-old man with several days of abdominal pain and fever.

A 67-year-old man hypotensive with left flank pain after fall from a height.

A 51-year-old man with history of acalculous cholecystitis in the setting of necrotizing pancreatitis and severe sepsis. Status postcholecystostomy tube placement three months prior. New-onset right upper quadrant pain with recent CT imaging demonstrating an inflamed-appearing gallbladder and pericholecystic fluid collection.

A 54-year-old man with newly diagnosed bleeding hepatic mass.

A 2-month-old male infant with history of oligohydramnios.

A 22-year-old woman presents with several months of abdominal pain. She was found to have hepatomegaly on physical examination.

A 65-year-old man presents with chronic mild abdominal pain and bloating.

A 47-year-old woman presents with abdominal pain, nausea, and vomiting for the past two days.

A 76-year-old woman with hematuria and obstructive uropathy.