Histopathologically confirmed diagnosis of International Society for Cutaneous Lymphomas (ISCL) / European Organisation for Research and Treatment of Cancer (EORTC) mycosis fungoides stage IB or IIA
You may not be if
Poor performance status: WHO performance status score \> 2
Physically unable to maintain the posture
Patient with no health coverage
Patient under guardianship or curatorship
Previous history of dose-limiting radiation therapy in the field
Previous history of dose-limiting phototherapy
Previous history of melanoma, skin squamous cell carcinoma or basal cell carcinoma or other absolute contraindication to phototherapy (including a history of lupus, xeroderma pigmentosum, or porphyria)
Pregnant or breastfeeding woman
Contraindication to methoxsalen (severe liver, renal or heart failure)