a Lump Near the Breast: Causes and Concerns - Breast and Thyroid

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I felt a lump next to my chest?


I noticed a small lump next to my left chest, about slightly narrower than a finger's width.
It doesn't hurt when I press down, but when I push it, it moves to the side and returns when I release my hand.
What could be the reason for this?

Ping'er, 10~19 year old female. Ask Date: 2016/04/21

Dr. Zhou Jiazhen reply Breast and Thyroid


Dear Ping-er: A movable lump is often a fibroadenoma, which can be monitored.
However, if it continues to grow or presents symptoms, it is advisable to seek an outpatient examination.

Reply Date: 2016/04/21

More Info


When it comes to discovering a lump near the breast, it is essential to approach the situation with a clear understanding of the potential causes and concerns. Based on your description, you have found a small, movable lump near your left breast that does not cause pain when touched but shifts position when pressed. This type of lump can be concerning, but it is important to consider several factors before jumping to conclusions.

Firstly, the characteristics of the lump you described—small, movable, and non-painful—are often associated with benign conditions. Common benign breast lumps include cysts, fibroadenomas, and lipomas.
1. Cysts: These are fluid-filled sacs that can develop in the breast tissue. They are usually round, smooth, and can move slightly when pressed. Cysts can vary in size and may become more noticeable during certain times of the menstrual cycle due to hormonal changes.

2. Fibroadenomas: These are solid, non-cancerous tumors made up of glandular and connective tissue. They are typically painless, movable, and can vary in size. Fibroadenomas are most common in younger women and often require monitoring rather than immediate treatment.

3. Lipomas: These are soft, fatty lumps that can develop under the skin. They are usually harmless and can be felt as a movable lump. Lipomas are generally painless and do not require treatment unless they cause discomfort or cosmetic concerns.

While these benign conditions are common, it is crucial to consider the importance of monitoring any changes in your breast tissue. If you notice any changes in the size, shape, or texture of the lump, or if you experience any new symptoms such as pain, swelling, or changes in the skin over the lump, it is advisable to seek medical evaluation.

In terms of breast cancer concerns, it is important to note that breast cancer lumps are often hard, fixed, and may be associated with other symptoms such as changes in the skin, discharge from the nipple, or swelling in the surrounding area. However, it is essential to remember that not all lumps are cancerous, and many benign conditions can present similarly.

Given your situation, I recommend the following steps:
1. Self-Examination: Continue to perform regular breast self-exams to monitor the lump and any changes in your breast tissue. It is best to conduct these exams a few days after your menstrual period when breast tissue is less likely to be swollen or tender.

2. Consult a Healthcare Provider: Schedule an appointment with a healthcare provider or a specialist in breast health. They may recommend imaging tests such as a breast ultrasound or mammogram to evaluate the lump further. In some cases, a biopsy may be necessary to determine the nature of the lump.

3. Keep Track of Changes: Document any changes you notice in the lump or your breast tissue over time. This information can be helpful for your healthcare provider in assessing your condition.

In conclusion, while the lump you described may be benign, it is essential to remain vigilant and proactive about your breast health. Regular self-exams, awareness of changes, and timely medical consultations are key components of maintaining breast health and addressing any concerns that may arise. Remember, early detection and intervention are crucial in managing any potential issues effectively.

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