 [ Symptoms ] my six year old cut himself with rusty nail now cannot bend easily – is it tetanus [ Disease ] i am sorry you are going through this but i am glad to see you are so vigilant about your breast health way to go first let me say breast cancer in a 16 year old is exceedingly rare i want to put your mind at ease about that the problem is likely something far less serious it would not hurt to get this situation checked out by your doctor or nurse practitioner it could be related to hormones because of course they fluctuate or something else that is very simple such as circulation issues even if the situation clears up over the next few days i would suggest you get this looked at you will feel less anxious and your doctor will get the condition into your medical history in case it occurs again wishing you well