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
All of the following hereditary conditions predispose to CNS tumors, except:
assistant
The correct answer is  Xeroderma pigmentosum is not a risk factor for brain tumor. Genetic abnormalities associated with brain tumors (RL not in MTV GT) RetinoblastomaQ Li-FraumeniQ NF-1 & 2Q MEN 1Q Turcot's syndromeQ VHL syndromeQ Gorlin syndromeQ Tuberous sclerosisQ