Bio-alcamid filler in nose 12/2012, anything I should worry about now?

I had an this filler injected into my nose in December 2012, so far I have no had any complications, discomfort, swelling or infection. So far it's good, is there anything I should worry about? If I survived the first year of this filler is this a good sign? I have consulted with the clinic that injected this filler, I am requesting it to be removed and they they said a chemical injection will dissolve the bio-alcamid, is this all it takes to remove it?or is there more to it?

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