Patients with hypothyroidism only need to take Eupatorium adenophorum, and their thyroid functions are FT3, FT4 and TSH.

Normal, you can operate. Of course, you must take Eupatorium adenophorum during the operation. You'd better consult the relevant surgeon about some other questions about the operation.

Expert: The Second Affiliated Hospital of School of Medicine, An Jiaotong University-Department of Nuclear Medicine-Zheng