Saini, Vijay Kumar, Gaurav Singh, Sudip Regmi, Shakeel Masood, and Anshuman Pandey. “Factors Influencing Response to Neoadjuvant Chemoradiotherapy in Rectal Cancer: The Role of Serum Carcinoembryonic Antigen and Tumor Size”. International Journal of Clinical Trials 12, no. 4 (October 23, 2025): 369–371. Accessed December 25, 2025. https://www.ijclinicaltrials.com/index.php/ijct/article/view/897.