During exploration, a patient is found to have a tumor in the thymus that is invading the pericardium and surrounding the left and right phrenic nerves. The pathologist says that appears on frozen section to be a benign thymoma. The surgeon now should:
Since the tumor is invading the pericardium and surrounding the left and right phrenic nerve maximum amount of tumor must be resected There is no advantage of frozen section
Repeat frozen section
Attempt as complete a resection as possible
Close the chest and plan irradiation therapy
Close the chest and await permanent sections
DNB 2018