My 18 year old female cat has always been an outdoor cat but because of her age and the weather I've started keeping her in however she has a scabby black growth on the outside of her ear and it keeps getting bigger. She did have ear mites but I have sorted that out.
I will be taking her to the vets asap but I was just curious if anyone knows what it could be. I do have pictures but I'm not sure how to post them.
Thanks