The utilization rates of RT are ~50% in Europe and ~30% in Japan [ 21 , 22 ], and a recent study showed an increasing trend for using RT for treating cancer patients in Korea [ 23 ].
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The utilization rates of RT are ~50% in Europe and ~30% in Japan [ 21 , 22 ], and a recent study showed an increasing trend for using RT for treating cancer patients in Korea [ 23 ].