hi im 19 years old...... i wanna know wether the i have got breast cancer.......... my right breast is little bit bigger in size than my left one..... and then i have an itching near my nipple in my right breast.... but there is no other symptoms like bleeding in nipple,wounds,inverted nipple or anything like that....... the two symptoms which i mentioned above is making me to get scared that i got breast cancer.... so plz suggest me some opinion.......