Hi Rider.jen

Three things I noted in your update:

Referred pain below the elbow
Similar pain ( but more mild) in the other shoulder
Highly irritable nature if the pain that has failed to settle at all.

Wikipedia reference-linkRotator cuff symptoms are unlikely to produce theses sorts of symptoms. In fact these seem suggestive of possible neck invovement and possibly pain from the nervous system. Rotator cuff pain is usually more localised, doesn't spread past the elbow and should remain in one shoulder! Neck symptoms are famous for mimiclking shoulder pathology. Even though the Wikipedia reference-linkMRI showed a RC tear these symptoms are contradictory

This is very important to sort out before proceeding with surgery- otherwise if the diagnosis is wrong the result will bedisappointing. I think you need to go back and have it diagnosed with a fresh clinical eye.