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Figure 5a.  Tubular adenoma of the gallbladder in a 67-year-old man with chronic right upper quadrant pain. (a) Photograph of the opened resected specimen shows a multilobulated, sessile, tan polyp attached to the gallbladder wall (straight arrow). Multiple gallstones are also present (curved arrow). (b) Longitudinal ultrasonographic (US) image shows an echogenic, lobulated, sessile polyp attached to the anterior wall of the gallbladder. The stones in the gross specimen were not identified in this imaging plane.