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
A patient presented with gradually progressive painless mass since 10 yrs. It is firm to nodular & variable in consistency at each site. Most probable diagnosis is?
assistant
The correct answer is  Pleomorphic Adenoma: M/C benign tumor of salivary glands. M/C seen in 30-40 y/o females. Arises from parotid, mandibular and other salivary glands. Presents as a parapharyngeal tumor in the oropharynx.