question: i fell over on 2nd july and hit my shin. since then i still have a hard rounf lump with redness around.  the bruising has gine, and i am now left with the skin very dry over the lump.  i am 44 and weigh 20 stone with a bmi of 46.  there is no pain, but there is physical disscomfort, and sometimes it feels hot. please advise. thank you