Yes. Contact your surgeon ASAP.Hopefully you don't have any more systemic signs - such as fever, chills, sweats, etc. Bruising and swelling are common after many surgical procedures but it's often a question of degree - how much, is it increasing, is there an implant (even minor...
It's not "normal" but it can occur - and, when it does, it's often just the way you describe it. Multiple lipomas, with a bluish color, firm and (often) painful. These are typically angiolipomas, which are a little different from the more common single and larger lipomas, which are...
Most likely it is a lymph node or some other benign growth that will not be dangerous - but you're right to be concerned. I would advise that you see your family doctor expeditiously (ie, soon!) to have it checked out. The worry alone justifies having it looked it and, in the...