Experimental radiation and immune defense interactions/Eva Lotzova -- Host-tumor interactions and methods of evaluating immunocompetence in humans/Kenneth J. McCormick -- Immunocompetence in head and neck cancer patients undergoing radiotherapy/Vernon K. Jenkins -- Effect of radiation of immunology in bronchogenic carcinoma/Stefano S. Stefani, Donthamsetti S. Rao, and Julianne Souchek -- Radiotherapy and immune response in malignant lymphomas/Sameer Rafla and Shun-Jun Yang -- Leukemia/Eva Lotzova -- Breast cancer/Donald E. Carlson -- Radiotherapy, immunity, and cervical carcinoma/David M. Mumford and Nancy McCormick -- Radiation effect on immunity in cancer of the genitourinary tract/Donthamsetti S. Rao and Stefano S. Stefani -- Clinical use of carcinoembryonic antigen in the management of patients with cancer/Paul H. Sugarbaker -- Host resistance and response of tumors to ionizing radiation/Naresh Prasad and Luka Milas