Fig. 2
The radiographic findings of one patient with radiation pneumonitis complicated by Pneumocystis carinii for three courses. a The CT image acquired before irradiation therapy. b The CT image acquired when RP complicated by PCP was diagnosed. c The CT image acquired after TMP-SMX treatment. RP radiation pneumonitis, PCP Pneumocystis carinii pneumonia, TMP–SMX trimethoprim–sulfamethoxazole