RecruitingPhase 2Drug trialNeoadjuvant Chemoradiation With Nal-IRI and Capecitabine Guided by UGT1A1 Status in Patients With Rectal CancerThis single-arm trial will explore the efficacy and safety of long-course neoadjuvant chemoradiation with liposomal irinotecan and capecitabine guided by UGT1A1 status in patients with locally advanced rectal cancer.