Successful triple therapy for advanced synchronous multiple primary esophageal carcinoma with metal stenting, photodynamic and comprehensive systemic therapies—shining light on hope: a case report and literature review - Zou, Dan; Yan, Ying; Li, Yifan; Ma, Huanhuan; Bai, Yuping; Wang, Xueyan; Wang, Bofang; Wang, Yunpeng; Ma, Jingwei; Chen, Hao (Frontiers in Immunology, 2025)