Research Article

Photodynamic Surgery for Feline Injection-Site Sarcoma

Figure 4

Effect of PDS and PDT with acridine orange on FISS disease-free survival time at follow-up, as analyzed by Kaplan-Meier. Both local recurrence and metastasis are considered as event (n. of uncensored events was 17 for control and 0 for treated, out of 30 and 7 patients, respectively).