Pain under the left rib cage can be a sign of a heart attack, which is a medical emergency. An enlarged or ruptured spleen, which may result from trauma, can cause sharp pain. Kidney infections can ...

A 45-year-old Black woman presents with a 1-year history of recurrent painful bumps on her buttocks. She reports that the lesions often drain pus and have left behind areas of scarring. The nodules ...