A Case of Human Epidermal Growth Factor Receptor 2-Positive Colon Cancer With Invasive Micropapillary Carcinoma Component
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A female patient in her 60s tested positive for the fecal occult blood test while undergoing health screening. Colonoscopy revealed a 15-mm-sized flat elevated lesion with a central depression in the sigmoid colon. Narrow-band imaging magnification revealed a ... ...
