This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
[{'content': 'Lymphoid tissue is seen in which parotid tumor \nSelect and explain. \nA. Wahins tumor, B. Adenoid cystic, C. Mucoepidermoid, D. Pleomorphic adenoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: wahin tumor is a benign and second most common salivary gland neoplasm. it almost exclusively arises in the parotid gland Microscopy: cystic spaces are embedded in a dense lymphoid stroma which closely resembles a normal lymph node. Lymphoid tissue is prominent with germinal centres and is composed of B and few T cells GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK FIRST EDITION PGNO.368 IMAGE REF: GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK SECOND EDITION FIG. 17.5 PAGE 473', 'role': 'assistant'}]