Seldom is the opportunity given to check up on one's colleagues as closely and accurately as this case affords. The case is worth while reporting because of the lesion, the radical operation performed seventeen years prior to death, and the ease with which all facts pertaining were assembled.
A man, aged 52, admitted in May, 1925, complained of loss of weight as a result of inability to take and assimilate food. From then until his death, November 23, repeated and detailed examinations failed to diagnose more than gastric malignancy. His history stated that part of the stomach was cut away and a new opening made by Dr. William Mayo, sixteen years previously. The patient had fair health until eight months before coming to the hospital. The roentgenogram showed a functioning gastro-enterostomy; about one third of the stomach, the cardiac end, could be seen. Hydrochloric acid was absent. Occult blood was