18-year-old woman with severe abdominal pain
An 18-year-old woman with severe abdominal pain centered around the umbilicus.
An 18-year-old woman with severe abdominal pain centered around the umbilicus.
A healthy 15-year-old boy with a two-week history of a persistent, productive cough.
A 4-year-old boy with months of headaches, increasing in frequency.
A 5-year-old girl with headache and progressive gait abnormality.