Characteristics of cardiac toxicity after definitive radiation therapy for thoracic esophageal cancer in Japanese patients.Tsukahara K, Abe T, Saito S, et al. J Radiat Res. 2025 Sep 23:rraf056. doi: 10.1093/jrr/rraf056. Epub ahead of print. PMID: 40988094. 【概要】・胸部食道がんに対する放射線治療後の心毒性は2年以内の発生が多く、特にGrad…