Toxicity of pelvic lymph node irradiation with intensity modulated radiation therapy for high-risk and locally advanced prostate cancer: a national population-based study using patient-reported outcomes. 

Parry MG, Nossiter J, Cowling TE, Sujenthiran A, Berry B, Cathcart PJ, Clarke NW, Payne H and van der Meulen J, Aggarwal A