World Journal of Gastrointestinal Surgery
Impact of target volume delineation accuracy on locoregional control and survival after postoperative radiotherapy for colorectal cancer
BACKGROUND Postoperative radiotherapy reduces local recurrence in locally advanced colorectal cancer, but its efficacy depends on accurate target volume delineation. This study assessed the impact of delineation accuracy on treatment outcomes. AIM To investigate the impact of target volume delineation accuracy on treatment outcomes of postoperative radiotherapy for colorectal cancer. METHODS Clinical data of 218 colorectal cancer patients who underwent radical surgery followed by adjuvant radiotherapy at our hospit …