Salvage Photodynamic Therapy Is an Effective and Safe Treatment for Patients with Local Failure after Definitive Chemoradiotherapy for Esophageal Squamous Cell Carcinoma

1. ¹ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
2. ² Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3. ³ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
4. ⁴ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
5. ⁵ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
6. ⁶ Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
7. ⁷ Department of Experimental Therapeutics, Institute for Advancement of Clinical and Translational Science (iACT), Kyoto University Hospital, Kyoto, Japan
8. ⁸ Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
9. ⁹ Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
10. ¹⁰ Division of Digestive Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
11. ¹¹ Department of Gastrointestinal Oncology, Osaka Medical Centre for Cancer and Cardiovascular Diseases, Osaka, Japan
12. ¹² Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
13. ¹³ Department of Therapeutic Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan