One of my friend is 27 years old, her one breast size is slightly different (big) from other. She feels pain sometimes. And thinks that it can it be first stage of breast cancer? Please guide on the same.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.