“…All of the studies identified were considered to be at high risk of bias, including two RCTs [54,58]. Five studies assessed frequency of follow- up [47,50,52,53,59], five the modalities used [49,51,54,56,57], one the setting in which follow-up was performed [58], and two evaluated multiple aspects [48,55]. Follow-up did not significantly impact OS (HR 0.94, 95% CI 0.84e1.05) (Table 3).…”