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(a) Deep ulcerated lesions of the pretibial region (9.5 × 2.5 cm right leg and 7 × 4.2 cm left leg) in a 56-year-old man before starting the therapy with MAL-PDT; (b) partial resolution of the ulcer in the left shin; (c) complete resolution of the ulcers in the right shin after 6 sessions of MAL-PDT at a one-month interval.
