“…The effect of radiation therapy was evaluated in 25 trials including 24,195 patients and was found to be a risk factor for persistent pain [24,32,65,92,97], shoulder stiffness [32,60,71], decreased ROM [17,37,68], and lymphedema [3, 17, 36, 37, 42, 43, 46, 47, 61-63, 70, 84, 88, 98] (See Table 7 and Figure 5A).…”