“…In terms of the duration of PTSS, it is clear that the majority of recurrences are identified during the first 2 years following treatment, with most being seen near the end of the first year (Table 3) [7,8,10,17,19]. If the purpose of PTSS is to identify recurrence, the tapering nature of the incidence of locoregional recurrence is such that the data provided by the majority of authors would advocate discontinuation of structured PTSS after the third year [6,8,9,13,16,[19][20][21]48] ( Table 4, Fig.…”