Effect of dose escalation in neoadjuvant chemoradiotherapy of locally advanced rectal cancer on clinical and pathologic Response: A Systematic review and meta-analysis of randomized controlled trials. - Kolahdouzan K; Nayebi Rad S; Ghalehtaki R; Abyaneh R; Nourbakhsh F; Saraee E (Clinical and translational radiation oncology, 2026)