Table 1.
Characteristics of the 13 patients
| Characteristics | Number of patients |
|---|---|
| Gender | |
| Male | 10 |
| Female | 3 |
| Median age (range) | 77 (57–89) |
| PS | |
| 0 | 13 |
| T stage before chemoradiotherapy (UICC 8th) | |
| T1 | 4 |
| T2 | 2a |
| T3 | 4 |
| T4 | 2 |
| Others | 1b |
| Regimen of chemoradiotherapy | |
| Cisplatin and 5FU and radiotherapy | 7 |
| Nedaplatin and 5FU and radiotherapy | 1 |
| 5FU and radiotherapy | 1 |
| Tegafur/Gimeracil/Oteracil and radiotherapy | 1 |
| Radiotherapy alone | 3b |
| Past porfimer sodium photodynamic therapy | 2 |
| Pathology | |
| Squamous cell carcinoma | 12 |
| Adenocarcinoma | 1 |
aOne patient was treated with the first tPDT for intramural metastasis
bOne patient was treated with RT for lung cancer, and the first tPDT was performed for esophageal cancer in the irradiation field