A 79-year-old man presented with right foot pain one week after falling.

A 40-year-old man presented with left ankle pain after falling while skateboarding.

A 60-year-old man presented to the emergency department with acute on chronic bilateral hand pain.

A 41-year-old woman presented to the emergency department due to right lower quadrant pain, nausea, and vomiting.

A 61-year-old woman presented to the emergency department with left lower extremity ulceration, erythema, and swelling.

An 84-year-old woman presented to the Emergency Department with a two-week history of an enlarging tender groin mass.

An infant born in the setting of preterm premature rupture of membranes presented with a nontender neck mass.

A 72-year-old woman with breast cancer was found to have elevated liver enzymes.

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

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

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

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

A 32-year-old woman presented for pelvic ultrasound for suspected pregnancy. She had no systemic symptoms. Her last menstrual period was approximately six weeks prior.

A 31-year-old woman presents due to persistent, non-tender, palpable supraclavicular mass for the previous three weeks.

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A 55-year-old woman presented with left neck pain and a palpable mass that had persisted for four weeks.