Fig. 3From: Evaluating the effectiveness of adjuvant radiotherapy in addition to surgery versus surgery alone at improving oncologic outcomes for early stage buccal carcinoma: a systematic reviewLocoregional recurrence rates among the two treatment groups (RR = 0.90 [95% CI 0.51–1.58]; p = 0.72) (n = 3 included studies) [13,14,15]Back to article page