Table 2.
Lesion status and the best response to repeated tPDT for the same lesion
| Lesion no (n = 12) | Lesion status before 2nd tPDT for each lesion | |||||||
|---|---|---|---|---|---|---|---|---|
| Location | T stage | Length (mm) | Circumference | Size compared with the lesion size before the initial tPDT for each lesion | Response of 2nd tPDT for each lesion | Total number of tPDT | Best response of repeated tPDT for each lesion | |
| Lesion 1–1 | Primary site | TX | 10 | ≤ 1/4 | No change or increased | Non L-CR | 3 | Non L-CR |
| Lesion 3–1 | Primary site | T2 | 20 | > 1/4, ≤ 1/2 | No change or increased | Non L-CR | 2 | Non L-CR |
| Lesion 4–1 | Primary site | T1 | 12 | > 1/4, ≤ 1/2 | No change or increased | Non L-CR | 2 | Non L-CR |
| Lesion 5–1 | Primary site | T1 | 4 | ≤ 1/4 | Decreased | L-CR | 2 | L-CR |
| Lesion 6–1 | Primary site | T1 | 5 | ≤ 1/4 | Decreased | Non L-CR | 4 | Non L-CR |
| Lesion 6–2 | Metachronous site | T2 | 30 | > 1/4, ≤ 1/2 | No change or increased | L-CR | 2 | L-CR |
| Lesion 7–1 | Primary site | T2 | 30 | > 1/4, ≤ 1/2 | Decreased | Non L-CR | 4 | L-CR |
| Lesion 8–1 | Primary site | T1 | 10 | ≤ 1/4 | Decreased | L-CR | 2 | L-CR |
| Lesion 9–5 | Metachronous site | T1 | 10 | ≤ 1/4 | No change or increased | Non L-CR | 3 | Non L-CR |
| Lesion 10–1 | Primary site | T1 | 15 | ≤ 1/4 | No change or increased | Non L-CR | 3 | Non L-CR |
| Lesion 11–1 | Primary site | T1 | 10 | > 1/4, ≤ 1/2 | No change or increased | Non L-CR | 2 | Non L-CR |
| Lesion 13–1 | Primary site | T2 | 20 | ≤ 1/4 | Decreased | L-CR | 2 | L-CR |
| Lesion L-CR rate | 33.3% (4/12) | 41.7% (5/12) | ||||||