Thanks for writing to us.
The swelling and numbness
in the chin is not related to the rotator cuff injury
that you had. This is more likely to be due to a nerve
compression due to the tissue swelling.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal