my mom find a lump on her right breast, the doctor moved fast and remove the lump., and send it to lab to see if was malignant or benign sadldy today she find out she have cancer.my question is .about five month a go she went for her annual mammogram and it was normal.why the mammogram did not show any anormality? her dr. said he need remove more tissue of her breast, remove the limph nodes under axilla,they need to do scan of the shest,lungs to make sure the the cancer hasen`t spread.but he said he cant told me if she going to need radiation or chemotherapy until he do the first step or stage. can any one explain what is thats ?what are the chances the my mom would survive this been 73 years old,whith heart problems with 2 stents put on with in year, high blood pressure,diabetes and a lot more other problems.i hope some one helps me with this question.thanks