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
Most common tumour of mediastinum?
assistant
The correct answer is  MC mediastinal masses are neurogenic tumors (20% of mediastinal tumors), usually found in the posterior mediastinum, followed by thymoma located in the anterior mediastinum. Lung cancer typically spreads to the lymph nodes in the mediastinum.