[Stomach ulcer perforation occurring in the course of radiotherapy].
D000368:Aged; D003036:Cobalt Isotopes; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D010439:Peptic Ulcer Perforation / Q000209:etiology*; D011878:Radiotherapy / Q000009:adverse effects*; D013276:Stomach Ulcer / Q000532:radiotherapy*
D003036:Cobalt Isotopes