A 31-year-old man presented with back pain and progressive difficulty walking over the previous six months.

A 23-year-old woman presented with several weeks of weight loss, dyspnea on exertion, and night sweats.

A 34-year-old woman presented to the outpatient clinic complaining of difficulty in swallowing due to an enlarging mass on the left side of her neck for the previous few months.

A 35-year-old man with no significant past medical history presented with a nonpainful, palpable lump in his left knee.

A 40-year-old woman with no known past medical history presented to the emergency department following a motor vehicle collision.

A 53-year-old man with a history of diabetes presented with a left leg mass persisting for years.

A 60-year-old woman presented to the emergency department due to vague lower neck and upper back pain for one month.

A 17-year-old boy presented with acute onset right-sided facial swelling, trismus, pharyngitis, and sepsis.

A 22-year-old man with no significant medical history presented with swelling in his leg and a left groin mass for three months.

A 56-year-old man with a history of MEN2A mutation presented for a thyroid ultrasound.

A 58-year-old man with prior alcohol use disorder, current tobacco use, and prior lacunar infarct with no residual deficits presented with nine months of progressive abnormal gait accompanied by slurred speech, erectile dysfunction, and urinary incontinence.

A 62-year-old woman presented with a right thigh mass after falling off a dock and hitting her right lateral thigh on the boat.

67-year-old man with atypical meningioma complaining of left eye pain and sudden complete blindness.

A 75-year-old man who had been admitted after left heart catheterization suddenly developed aphasia.

A 55-year-old man presented to the emergency department with severe acute knee pain following a twisting injury while skiing.

A 52-year-old woman presented to the emergency department with abdominal pain.

A man in his 60s presented with a history of abdominal pain.

A male patient presented with headache and dizziness.

A 42-year-old man presented with bilateral arm weakness and worsening gait instability.

A 68-year-old man presented with a palpable penile mass.