“…Conservative treatment is widely recommended ( Van Patter, Bargen, Dockerty, Feldman, Mayo, and Waugh, 1954;Edwards, 1963;Lindner, Marshak, Wolf, and Janowitz, 1963;Laskin, 1964;Marshak, Lindner, and Janowitz, 1966;Crohn, 1967;Colcock and Braasch, 1968). Surgery is only considered to be indicated in cases refractory to medical treatment or when complications occur.…”