case_images: PMC7680121_01
case_images: Rigler's triad on abdominal CT scan. (A) pneumobilia (white arrow); (B) ectopic gallstone within duodenum (white arrow) and dilated, fluid-filled stomach due to duodenal obstruction (black arrow).
case_images: IMCRJ-13-651-g0001.jpg
case_images: PMC7680121_01_IMCRJ-13-651-g0001.jpg
case_images: f0001
case_images: Rigler's triad was detected on abdominal CT scan including duodenal obstruction with dilated stomach, ectopic gallstone within duodenum indicating cholecystoduodenal fistula, pneumobilia (Figure 1).
case_images: The gallstone causes cholecystoduodenal fistula.
case_images: IMCRJ-13-651-g0002.jpg
case_images: PMC7680121_01_IMCRJ-13-651-g0002.jpg
case_images: f0002
case_images: Figure 2 describes stone after being extracted.