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Don't spos you looked at the liver ?

Her face looks gaunt in the photo you posted.

On Pc now,doesn't look right. while its unlikely to be anything that would harm you if its cooked properly I wouldn't eat it till you can get some definite advice.
take em down to your local...

It might just be that Im viewing on my phone but looks normal where you have knifed meat off and like you got guts or grubby hands on the joint and stained the membrane over the joint?