“…A cystadenoma of the pancreas typically produces few symptoms, and such symptoms as do occur are usually the result of pressure by the tumour on the surrounding structures (Herman and Asbel, 1949). The commonest symptom is a dull aching abdominal pain which is usually confined to the upper left quadrant (Neef, Rohdenburg, and Ritter, 1939 ;Benson and Gordon, 1947), or which may be generalized (Carter and Slattery, 1936). In the case described above abdominal pain was absent.…”