Fig. 1From: Nontraumatic perforation of the small intestine caused by true primary enteroliths associated with radiation enteritis: a case reportAbdominal plain computed tomography (CT) imaging performed at the first visit to a previous hospital. a Free air in the upper abdomen (red arrows) and fluid collection in the right subphrenic space (yellow arrowheads); b slightly high-density structures located in an uncertain part of the intestine (yellow arrowheads)Back to article page