While mentioning the grade of perforation, can you tell the size of perforation as well ?

Yes

Approx. AP diam of TM is 8-9 mm and Infero-superior diam is 9-11mm. By comparing the size of perforaration with these, approx size of perforation can be mentioned. For e.g. size of small perforation is upto 2-3 mm.

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