I'm 13 yes I know really young.. But I know it might be a possiblity. I have a lump in my breast, there is a "slit" on my nipple, and breast cancer is common in my family. Is there a possibility and it hurts I only live with my dad so I don't wanna tell him, my sister doesn't live with us anymore, my mom isn't in my life. But what are some symptoms you guys know about I'm scared