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Fig. 1C —85-year-old woman with right upper quadrant abdominal pain,
leukocytosis, and fever. Patient was not surgical candidate due to multiple
comorbidities, so cholecystostomy tube was placed. Catheter injection under
fluoroscopy 4 weeks later shows multiple filling defects within gallbladder,
consistent with gallstones. Gallstone is seen lodged in gallbladder neck
(arrow).