OUTLINE: This is a multicenter study. Patients receive IV temoporfin on day -4, followed by laser light therapy on day 0. Patients are treated every 4 to 16 weeks for a maximum of 3 courses. Patients are evaluated on days 1, 2, 7, and weeks 2, 4, 6, 8, 12, and 16 following laser light therapy. Quality of life is assessed at baseline through week 12 of follow-up. Patients are followed monthly for 4 months after the final treatment, then every 3 months for 1 year.