title: Severe radiation pneumonitis precipitated by withdrawal of corticosteroids: a diagnostic and therapeutic dilemma.
mesh_terms: D000293:Adolescent; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000188:drug therapy / Q000532:radiotherapy; D008297:Male; D008479:Mediastinal Neoplasms / Q000188:drug therapy / Q000532:radiotherapy; D011014:Pneumonia / Q000209:etiology*; D011241:Prednisone / Q000008:administration & dosage* / Q000627:therapeutic use; D011832:Radiation Injuries / Q000209:etiology*
chemical_list: D011241:Prednisone