The Significance of the Extent of Proximal Margins of Clearance in Gastric Cancer Surgery

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Abstract
The surgery of gastric carcinoma should take into account the differences in growth pattern between the intestinal and diffuse type in accordance with Lauren. From 1969 to 1983, a total number of 849 patients were included in this study at the Dept. of Surgery, University of Erlangen. Results show that in diffuse-type carcinoma prognosis is influenced by the distance between the macroscopically detectable margins of the tumor and the proximal resection lines. The presented survival data suggest a proximal margin of clearance of at least 5 cm—measured on a fresh and unstretched specimen, corresponding to 10 cm in situ—for resection of gastric carcinoma of the diffuse type.