External auditory canal was eumorphism.

外耳道形态正常。

youdao

Results After 5~10 years follow-up, external auditory canal was eumorphism, drum membrane was keeping physiological obliquity, epitympanum has not depressed;

结果经5年以上（最长10年）随访观察，外耳道形态正常，鼓膜保持生理倾斜度，上鼓室无凹陷；

youdao