Radiation pneumonitis a dose limiting toxicity of radiation therapy while treating lung cancer. Although it can present even while the treatment is completed, what is the time of peak incidence of radiation pneumonitis

Q. Radiation pneumonitis a dose limiting toxicity of radiation therapy while treating lung cancer. Although it can present even while the treatment is completed, what is the time of peak incidence of radiation pneumonitis :

A.            2 weeks

B.            2 months

C.            4 weeks

D.            4 months

Answer: 2 months