This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
About intraoperative histopathological analysis, all are true except: 
Select and explain. 
A. Gives an immediate definitive diagnosis of tumor, B. Used for detecting positive margins after resection, C. Used to confirm suspected metastasis, D. Sentinel lymph node biopsy in breast carcinoma is an example
A: Gives an immediate definitive diagnosis of tumor
Answer: A: Gives an immediate definitive diagnosis of tumor 
Explanation: Ans: A. Gives an immediate definitive diagnosis of tumor (Ref http:/,www.nchi.iilm.nih.gov/pmc/arii,PMC3347896).lntraoperative Histopathological Analysis:Frozen section procedure/cryosection:Rapid microscopic specimen analysis.Used most often in oncological surgery.Slide quality produced by frozen section lower than formalin-fixed paraffin-embedded tissue processing.Used for presumptive diagnosis.More accurate diagnosis - Fixed tissue processing.