English to Russian Medical Medical (general)

The tympanic membrane may be vulnerable to damage due to the adverse effect infected fluid may have on the ear drum.
The patient has undergone any form of ear surgery apart from grommets which are documented to be extruded from the tympanic membrane for over 2 years and the patient is discharged from the ENT department.

There will be a weakness to the structure of the ear canal and tympanic membrane after surgery.
This does not include cosmetic surgery to the pinna (for example *repair of bat ears*)