A 67-year-old woman with elevated liver function tests.

A 36-year-old woman undergoes a routine renal ultrasound scan one day after renal transplant.

A 19-year-old woman with fever, fatigue, and right neck mass.

A 23-year-old man with worsening pain of the right testicle.

A 2-month-old male infant born at 30 weeks with irritability.

A 33-year-old pregnant woman with vaginal bleeding and pelvic pain.

A 43-year-old man with abdominal pain, diffuse itching, and dark urine.

A 42-year-old man with acute right testicular pain and blood-tinged urine.

A 77-year-old woman with history of vaginal spotting.

A 17-day-old female infant with failure to thrive and cardiomegaly.

A 68-year-old man on hemodialysis via a left arm arteriovenous fistula presents with left-hand weakness and numbness. 

A 72-year-old woman with silicone breast implants undergoing screening mammography.

A 29-year-old man with acute-onset, left-sided testicular pain.

A 39-year-old woman with right upper quadrant pain, bloating, and nausea.

A 1-month-old premature neonate born at 27 weeks gestation having difficulty weaning off ventilator. 

A 30-year-old woman with abdominal pain.

A 49-year-old woman with an enlarging, palpable mass on her back.

A 28-year-old pregnant woman with left-sided pelvic pain and light vaginal bleeding.

A 28-year-old woman with neck tenderness and discomfort for the past week.

A 1-month-old female infant with failure to thrive and vomiting.