• 1 January 1981
    • journal article
    • research article
    • Vol. 60  (23) , 883-885
Abstract
The observed frequency distribution of 2023 primary malignant gastro-intestinal tumors recorded during the 5 yr period 1974-1978 is reported. The 2 most common sites were stomach (29.6%) and colon and rectum (29.5%), and the third most common was the esophagus (19.8%). Marked differences in the site of the tumors according to race were found; esophageal carcinoma was the most frequent lesion in Black patients (62.1%), gastric carcinoma in Coloured patients (44.1%) and colorectal carcinoma in White patients (46.8%). Within the Black group rarely affected sites were the pancreas (5.1%) and colon and rectum (3.5%).

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