A woman in her 30s presented with recurrent headaches. There was associated nausea, vomiting, and a weeklong history of malaise. She had a past medical history of tension-type headaches.

A 69-year-old man with cirrhosis status post liver biopsy presented with four days of worsening right upper quadrant pain and two days of coffee-ground hematemesis.

A 47-year-old male presented with gingival swelling. The patient had a biopsy of a mandibular cyst one year prior.

A man in his 80s presented with abdominal pain.

A 68-year-old man with newly diagnosed lymphoma underwent staging PET/CT.

A 75-year-old man presented with vague upper abdominal pain for two months.

An 88-year-old woman with a history of sick sinus syndrome and thoracic aortic aneurysm presented with chest pain and hypotension.

A 30-year-old woman presented for her first ultrasound during her pregnancy. Her last menstrual period was 11 weeks and three days prior.

A 42-year-old man with a history of chronic myelogenous leukemia presented with shortness of breath and chest pain.

A 76-year-old woman with newly diagnosed anal cancer underwent staging CT.

A 59-year-old woman presented with abdominal pain, constipation, and distention.

A 35-year-old woman presented for follow-up obstetric ultrasound.

A 26-year-old woman presented with urinary frequency and pelvic pain.

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A 33-year-old woman presented for her first ultrasound during her pregnancy. Her last menstrual period was six weeks and two days prior.

A 69-year-old man with cirrhosis status post liver biopsy presented with four days of worsening right upper quadrant pain and two days of coffee-ground hematemesis.

A 75-year-old man presented with dysphagia and chest pain. Past medical history is withheld at this time.

A 30-year-old woman with no significant medical history presented with acute-onset left knee pain after a fall.

A man in his 50s presented with chronic left knee pain.

A 31-year-old woman presented for her first ultrasound during her pregnancy. Her last menstrual period was 21 weeks and four days prior.