Figure 4.

(A) Pretreatment image of the tumor in the breast cancer patient. A large-sized tumor was observed in the left breast. (B) Pretreatment CT image. (C) Image of the irradiation equipment used in PDT. Five optical fibers for irradiation were grouped together in a washer and wrapped with wrapping film. (D) Image captured 7 days after the first treatment. The tumor was slightly smaller compared to before PDT. (E) Image obtained approximately 1.5 months after the initial therapeutic intervention. The tumor size was markedly reduced. (F) CT image obtained 1.5 months after the initial treatment. The tumor was markedly reduced.