THE LITERATURE on lymphosarcoma of the duodenum, the jejunum and the intestinal tract in general is replete with numerous comprehensive surveys, in addition to reports of small groups of cases emphasizing various diagnostic problems and findings.1 Much of the material is valueless for statistical purposes because of the chaotic state of the nomenclature, inadequate reporting and poor follow-up observations on the patients. Ewing,1s in a classic statement on "General Pathology of Lymphosarcomas" summed up the matter as follows:
... A search for statistical data brings to light the notable fact that there are no reliable data on this subject and also that in the present state of knowledge and the attitude of the medical public mind, there is no possibility of obtaining them.... From this state of affairs, one obtains support for the impression that lymphosarcoma, although a major medical problem, is a badly neglected field of observation, and