system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Characteristic feature of basal cell carcinoma is
assistant
The correct answer is  The characteristic finding is of ovoid cells in nests with a single 'palisading' layer. It is only the outer layer of cells that actively divide, explaining why tumour growth rates are slower than their cell cycle speed would suggest.Ref: Bailey and Love, 27e, page: 605