title: [Radiation pneumonitis following postoperative irradiation with 6 MeV of breast cancer].
mesh_terms: D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D011014:Pneumonia / Q000209:etiology*; D011658:Pulmonary Fibrosis / Q000209:etiology; D011832:Radiation Injuries / Q000209:etiology*; D011882:Radiotherapy, High-Energy / Q000009:adverse effects*