AUTHOR=Yang Jianquan , Guo Wen , Pang Xuezhou , Tang Yuerong , Zhang Yakun , Zeng Beilei , Gui Yan , Ma Daiyuan TITLE=Esophageal squamous cell carcinoma with colonic and rectal metastases: a rare case report JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1519922 DOI=10.3389/fonc.2025.1519922 ISSN=2234-943X