Why is my hand so swollen after surgery in May? It is painful. Is this normal after 2 and a half post op?

skin removed from both upper arms after extreme wt loss. Op was 5/16/16. still swollen/ pain. I've been to the ER twice. they wrapped my rt hand up to my elbow, told me to rest/elevate. followed up with my surgeon, told me not wrap it, but elevate/ rest. One visit to the er, they took xrays of my chest found my heart was enlarged. didn't know if this part of the swelling of my rt hand/arm. swelling was beginning to subside but, the last 2 days it has swelled & becomes numb. Is this normal?

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