Table 3.

Key indications of photodynamic therapy in the treatment of lung cancer

Indication	Suggested PDT Procedure
Palliative
Locally advanced and peripheral tumors	Interstitial PDT using image guidance and treatment planning.
Pleural disease and margin control	Intraoperative PDT by transthoracic or thoracoscopic irradiation after tumor resection and complete removal of the macroscopic disease.
Definitive
Early stage, superficial, and centrally located endobronchial NSCLC tumors	Bronchoscopic irradiation with lesser phototoxicity using new efficient photosensitizers

Definition of abbreviations: NSCLC non-small cell lung cancer; PDT = photodynamic therapy.