Post-Weight Loss Breast Sagging: Is It a Sign of Cancer?

Breast sagging and indentation after weight loss?

Hello doctor, I have lost 30 kilograms in a year through diet control.
My breasts were already sagging due to being too large, and now it feels like the skin is becoming even more lax as I continue to lose weight.
Additionally, there seems to be a slight indentation near the upper left quadrant of my breast close to the armpit (there are stretch marks on the upper part of my breast).
I would like to know if this breast indentation is related to symptoms of breast cancer.
Should I go to the hospital for an examination? I had a breast ultrasound last August, which was normal with no lumps, and my current weight is 115 kilograms, down from nearly 150 kilograms before my weight loss.

Miss Wang, 30~39 year old female. Ask Date: 2018/07/26

Dr. Chen Jiaming reply Surgery

Your weight loss can indeed cause such changes, but if you are still concerned, it would not be unreasonable to have another breast ultrasound examination this August, a year after your last one in August of last year.
This can help alleviate your worries.

Reply Date: 2018/07/26

More Info

Post-weight loss breast sagging and changes in breast appearance can be concerning, especially when one is aware of the potential signs of breast cancer. However, it is essential to understand the differences between normal physiological changes and those that may indicate a medical issue.

Firstly, significant weight loss, such as the 30 kilograms you mentioned, can lead to various changes in the body, including the breasts. The breast tissue is composed of glandular tissue and fat, and when you lose weight, the fat content in the breasts can decrease, leading to a loss of volume and firmness. This can result in sagging, skin laxity, and changes in the overall shape of the breasts. The appearance of stretch marks (striae) is also common after rapid weight loss, as the skin may not be able to adjust quickly enough to the new body shape.

Regarding your specific concern about the indentation near the upper left quadrant of your breast, it is important to note that breast cancer can sometimes present with changes in the breast's shape or contour. However, these changes are often accompanied by other symptoms, such as a palpable lump, changes in the skin texture (like dimpling or puckering), or discharge from the nipple. Since you had a breast ultrasound last August that showed no abnormalities, it is reassuring. Regular monitoring and follow-up with your healthcare provider are crucial, especially if you notice any new changes.

If you are experiencing persistent concerns about the appearance of your breasts or if you notice any new symptoms, it would be prudent to schedule another appointment with a breast specialist. They can perform a thorough examination and may recommend additional imaging studies if necessary. Regular breast screenings, including clinical exams and mammograms, are essential for early detection of breast cancer, especially if you have risk factors or a family history of the disease.

In summary, while post-weight loss changes in breast appearance, such as sagging and skin laxity, are common and typically benign, it is always best to err on the side of caution. If you have any doubts or if new symptoms arise, seeking medical advice is the best course of action. Your health and peace of mind are paramount, and regular check-ups can help ensure that any potential issues are addressed promptly.

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