Leila is admitted to the hospital because her abdomen is swollen and sore. She has had blood in her stool for a week. Which of the following might have caused her symptoms?

A crush injury could damage abdominal organs or blood vessels, causing abdominal swelling, soreness, and blood in the stool. A bad reaction to medication can also cause gastrointestinal irritation or bleeding. A sunburn or a break in a leg bone would not ordinarily cause these abdominal symptoms.

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