“…Interestingly, this patient, as most women developing AS in the field of an irradiated breast, had no evidence of concurrent lymphoedema, strengthening the role of ionising radiation in the development of this neoplasm [4]. Although the appearance of malignant tumours caused by ionising radiation is a well-known phenomenon that may occur in the setting of radiotherapy [5,6], the incidence of radiotherapy-induced AS is low. Most frequent cutaneous tumours occurring after ionising radiation are basal cell and squamous cell carcinomas [5,6].…”