Conclusion
The early stages of breast cancer are often without symptoms. Once symptoms start to appear, you may notice changes in your breast but you should not panic. Not all breast changes are related to breast cancer. See your doctor for a proper diagnosis. Early detection and treatment of breast cancer can significantly improve your outlook.
References:
[1] https://www.cdc.gov/cancer/breast/basic_info/what-is-breast-cancer.htm
[2] https://www.healthline.com/health/breast-cancer/warning-signs#signs-and-symptoms
[3] http://www.mayoclinic.org/healthy-lifestyle/womens-health/in-depth/art-20044839
[4] https://www.cancer.org/cancer/breast-cancer/about/breast-cancer-signs-and-symptoms.html
[5] https://www.cancer.gov/types/breast/breast-changes
[6] https://www.webmd.com/breast-cancer/understanding-breast-cancer-symptoms
[7] https://www.cdc.gov/cancer/breast/basic_info/symptoms.htm
[8] https://www.medicalnewstoday.com/articles/322832