Breast cancer is very rare in teenagers, and for young women who are below the age of 20 only about 1 per 1,000,000 are diagnosed with the disease.
Specific gene changes, first menstrual period, and family history of breast cancer may be the risk factors specific for teens as they approach puberty.
Some of the signs of breast cancer in teens are lumps, breast shape changes, and nipple discharge and thus require a doctor.
Some hormonal change during puberty may cause lumps to develop in the breasts that may be lumpy and bumpy in appearance to cancer but are generally not dangerous.
It may be uncommon to develop breast cancer but knowing the symptoms and consulting a doctor may increase chances of having good results in case something occurs.