Commentary: Predictive value of serum miR-21 and miR-122 expression on the efficacy of capecitabine combined with transcatheter hepatic arterial embolization chemotherapy for liver metastasis after colorectal cancer surgery in patients with colorectal cancer and construction and verification of nomograms - Ding, Mengqi; Ling, Nan; Wei, Chaojun; Liu, Jiangping (Frontiers in Oncology, 2025)