Extracorporeal photopheresis for the treatment of erythrodermic stage III‑IVa T4 M0 cutaneous T‑cell lymphoma; if (a) the service is provided in the initial six months of treatment; and (b) the service is delivered using an integrated, closed extracorporeal photopheresis system; and (c) the patient is 18 years old or over; and (d) the patient has received prior systemic treatment for this condition and experienced either disease progression or unacceptable toxicity while on this treatment; and (e) the service is provided in combination with the use of Pharmaceutical Benefits Scheme‑subsidised methoxsalen; and (f) the service is supervised by a specialist or consultant physician in the speciality of haematology. Applicable once per treatment cycle (H)