This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
For which of the following cancer, retinoids can be used for treatment? 
Select and explain. 
A. Bladder, B. Cutaneous T-cell lymphoma, C. Stomach, D. Liver
B: Cutaneous T-cell lymphoma
Answer: B: Cutaneous T-cell lymphoma 
Explanation: Systemic retinoids are approved for the treatment of acne, psoriasis, and cutaneous T-cell lymphoma. Off-label uses include ichthyosis, Darier's disease, pityriasis rubra pilaris, rosacea, hidradenitis suppurativa, chemoprevention of malignancy, lichen sclerosus, subacute lupus erythematosus, and discoid lupus erythematosus. Ref: Burkha C., Morrell D., Goldsmith L. (2011). Chapter 65. Dermatological Pharmacology. In L.L. Brunton, B.A. Chabner, B.C. Knollmann (Eds), Goodman & Gilman's The Pharmacological Basis of Therapeutics, 12e.