A 35-year-old woman with vaginal bleeding and prior history of left salpingectomy.

A 0-day-old boy (gestational age, 36 weeks and 2 days) with notable scrotal swelling on physical exam.

A 76-year-old woman with vomiting, then fecal incontinence and food intolerance.

A 3-year-old boy with elevated liver function tests and nausea and vomiting.

A 51-year-old woman with abnormal vaginal bleeding and a history of leiomyoma.

A 41-year-old man with low cortisol and hypoglycemia.

A 42-year-old man with an SDHD mutation found on recent genetic testing.

A 0-day-old neonate, born at 37 weeks and 6 days, with failure to thrive.

A 19-year-old man with three days of abdominal pain.

A 65-year-old woman with left lower quadrant abdominal pain and hematuria.

A 45-year-old man with right lower quadrant pain and no history of appendectomy.

A 40-year-old man with chronic anemia.

A 43-year-old woman with right-sided abdominal pain, fatigue, and weakness.

A 70-year-old woman with a history of hypertension and hypercholesterolemia and an acute onset of fever, left-sided chest pain, cough, and dyspnea.

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 63-year-old woman with vomiting and right upper quadrant pain.

A 27-year-old woman with six days of brisk vaginal bleeding and crampy pelvic pain.

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