I have a growg gumball sized calcifiation on my sternum between breasts from an injury that is causing much pain even to cough or sneeze. whattodo?

Go see ur FamilyDoc: For growing lumps, go see your Family Doc for evaluation, diagnosis & treatment. S/he may drain painful lumps that feel as if full of fluid/pus. If solid, s/he may poke a needle inside to obtain a sample of its contents (usually these masses are painfree). Sometimes, s/he may order an ultrasound or other imaging 1st before doing anything else. Bottom line, go see your Family Doc.