Fig. 3From: Stereotactic body radiotherapy for adenoid cystic carcinoma metastatic to the lung: a case reportRadiographical course of radiation pneumonitis developed after CyberKnife treatment of the right upper lung tumor. The extent of radiation pneumonitis was limited and it has remained stable for 21 months. a 3 months, b 6 months, c 15 months, and d 21 months after CyberKnifeBack to article page