Upon autopsy of a 67-year-old male who died of recurrence and metastasis from a carcinoma of the colon, early esophageal carcinoma was found. Diffuse slight thickening and longitudinal linear thinning with brownish discoloration were found in the esophageal mucosa. Upon microscopical examination, the esophageal epithelium showed mild dysplasia, severe dysplasia or intramucosal carcinoma. A diagram of the distribution of these lesions indicated that the carcinoma arose multicentrically in the lower two-third of the esophagus and always within, or adjacent to, the area of severe dysplasia.

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