C169 What Do You Want to Express?

"Dr. Gu!" The old female doctor stopped Gu Nian's hurried footsteps and pulled her to the corner of the corridor. The tablet showed Mr. Qiao's medical records and scans. "The left ventricle valve is seriously damaged. Other than that, it is also congenital large blood vessels narrow. I don't need to tell you, you know how difficult this surgery is