[Methodology and effectiveness of intracavitary irradiation in the treatment of patients with malignant tumors].
D001918:Brachytherapy; D003036:Cobalt Isotopes; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms; D011867:Radioisotope Teletherapy; D012004:Rectal Neoplasms; D001749:Urinary Bladder Neoplasms
D003036:Cobalt Isotopes
BLADDER NEOPLASMS; COBALT ISOTOPES; ESOPHAGEAL NEOPLASMS; RADIOISOTOPE TELETHERAPY; RECTAL NEOPLASMS