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Fig. 2 —63-year-old man referred to our institution after laparoscopic cholecystectomy at another hospital was aborted because of finding of apparent gallbladder cancer. Axial contrast-enhanced CT image shows irregular, masslike, solid-appearing gallbladder wall thickening (white arrow) associated with indistinct interface (black arrow) with adjacent liver. Both reviewers considered this lesion definite gallbladder cancer, which was confirmed at histopathologic examination. Hepatic invasion was present at surgery.