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Response to PDT by Lesion Distribution and Site
| Lesion and Response | Oral Cavity (n=20) | Larynx (n=6) |
|---|---|---|
| Dysplasias, No. | ||
| CR | 9a | 3 |
| PR | 0 | 0 |
| NR | 0 | 0 |
| T1 carcinoma, No. | ||
| CR | 10b | 2 |
| PR | 1 | 0 |
| NR | 0 | 1 |
Abbreviations: CR, complete response; NR, no response; PDT, photodynamic therapy; PR, partial response.
Three patients had recurrence after a CR.
One patient developed a second primary cancer after a CR.
