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: Medicine
A surgeon is exploring the mediastinum found a thymic mass invading the neighboring pericardium and phrenic nerves. Frozen section is showing benign thymoma. The next intraoperative plan should be 
Select and explain. 
A. Abandon the surgery & sta chemotherapy, B. Abandon the surgery & sta radiotherapy, C. Complete resection of tumor, D. Close the mediastinum and wait for final repo
C: Complete resection of tumor
Answer: C: Complete resection of tumor 
Explanation: Answer- C. Complete resection of tumorThe treatment of choice for the patient presented in the question is as complete a resection as possible while at Ieast one phrenic nerve is preserved.Postoperatively, the patient should receive x-ray therapy, and the combination of surgery plus irradiation offers a good chance of satisfactorily controlling the neoplasm.