[Progress in radiotherapeutic approaches to anal, rectal, bronchial and prostatic cancers]

During the last years, various progress has been made in the irradiation of cancers: combined treatment modalities with surgery and chemotherapy, the radiation technique itself (conformal radiotherapy, brachytherapy ...), alterations of the radiation fractionation, the use of radiosensitizers. These modifications will be illustrated through the treatment of anorectal, lung and prostatic cancers.