Can anyone identify with or share some light on a "stinging" pain on my incision site when I touch the area after an excisional breast biopsy 7 weeks ago? I still have a walnut size lump of fluid or blood and have seen the surgeon about it.. He said that it looked ok and should go away with more time. Before now, I have not had any pain... But today, I woke up with this terrible stinging pain on the incision spot. It only hurts when I touch the spot. Could this be nerve problem? Does anyone have a possible remedy? Should I wait a few days or should I go back to the dr. ASAP?