Table 5.

Reported incidence rate and predictive factors of radiation pneumonitis in various studies

RT, radiotherapy; RP, radiation pneumonitis; 3D-CRT, 3-dimensional conformal RT; SWOG, South-West Oncology Group; TL, total lung; COPD, chronic obstructive pulmonary disease; MMC, mitomycin; RTOG, Radiation Therapy Oncology Group; MLD, mean lung dose; IMRT, intensity-modulated radiotherapy; CTCAE, Common Terminology Criteria for Adverse Events; NTCP, normal tissue complication probability; FEV₁, forced expiratory volume in the first second; HT, helical tomotherapy; ECOG, Eastern Cooperative Oncology Group; IL, ipsilateral lung; CL, contralateral lung.