This is a 5 day protocol. Arrive on day one for an afternoon appointment. Dr Comyn takes a detailed history of your general health and a history of your cancer. He reviews all your investigations (blood work and imaging). He reviews the past and current treatment. He gives a comprehensive presentation on PDT. Day. 2. Chlorophyll is administered and light treatment is administered morning and afternoon. This routine is repeated on days 3, 4 and 5. You will be discharged on day 6. Metronomic PDT describes this repetitive treatment regime. Accommodation is offered at Dr Comyn’s studio apartment which is part of the treatment facility.