This is the third five year report by the Holt Radium Institute in England and covers the period from 1940 to 1944, the interval of total war. The year 1939 was not surveyed because of the interference with technic and the disturbance of the normal practice of roentgen therapy. With modifications, the usual organization for therapy was resumed in 1940. The present report covers a five year period during which technics and methods were modified to meet emergency conditions, and during which expansion was impossible in spite of the increase in the number of patients. During the period of the report, 15,226 patients were referred, compared with a total of 9,130 for the previous five year interval.
Considerable modification in the methods of radium therapy was necessary because of the war. Implantations and intracavitary applications were carried out at an Emergency Medical Service radium annex in the country. Only radon