Table 3.

Summary of the main advantages and disadvantages of PDT.

Advantages	Limitations
☑ Low side effects ☑ Less invasive ☑ Short treatment time ☑ Usable in outpatient basis ☑ Cancer selectivity ☑ Multiple applications at the same location ☑ Excellent cosmetic outcome ☑ Lower costs	⊠ Photosensitivity after treatment ⊠ Treatment efficacy dependent on accuracy of tumor light irradiation ⊠ Tissue oxygenation is crucial for the photodynamic effect ⊠ Very difficult to treat metastatic cancers with current technology