A 69-year-old woman with dull, chronic pain that is worse when sitting.

A 60-year-old man with worsening left eye problems two months following pituitary surgery.

A 19-year-old woman with worsening left wrist pain for the past 12 months.

A 10-year-old boy with progressive headache and left eye pain.

An 85-year-old man with a third-digit lesion with slow growth for several years.

A 61-year-old man presents to the emergency department with altered mental status.

A 62-year-old man with progressive gait and limb ataxia, scanning dysarthria, and mild cogwheeling.

A 34-year-old HIV-positive man with confusion and gait difficulty.

A 70-year-old man with intermittent epigastric abdominal pain for the past few weeks.

A 16-year-old boy with acute left hip pain.

A 49-year-old man with mild chronic knee pain, swelling, and effusion.

A 33-year-old woman with neck swelling and dysphagia presents for further evaluation.

A 33-year-old woman with Turner's syndrome and multiple liver lesions.

An 83-year-old woman with diplopia for the past two months.

A 45-year-old man with abnormal electrocardiogram (ECG) changes and indeterminant prior echocardiogram.

A 36-year-old woman with intermittent abdominal pain for the past 10 years.

A 6-year-old boy with acute pain and swelling of the left knee after jumping on a trampoline.

A 37-year-old woman with lower extremity weakness, low back pain, and urinary retention.

An 85-year-old woman undergoing surveillance imaging after treatment for sinonasal squamous cell carcinoma.

A 76-year-old man with chronic left-sided Bell’s palsy, upper-eyelid ptosis, and lower-eyelid ectropion.