A 31-year-old man with HIV (on Biktarvy) presented to the hospital with worsening left lower extremity pain.

A 69-year-old man with a history of chronic sinusitis and GERD presented with chronic cough and shortness of breath; he was found to be in acute hypoxic respiratory failure.

A 39-year-old woman presented with chronic left hip pain that subsequently worsened following a fall.

A 41-year-old man presented to the emergency department with a one-month history of pain localized to the left flank, hip, and groin.      

A 52-year-old woman with sudden-onset dyspnea on exertion without progression.

A 48-year-old woman with progressive malaise, cough, and chest pain.

A 47-year-old man with a six-month history of abdominal discomfort.

A 48-year-old woman with upper abdominal pain evolving for one month.