Discovering a Movable Lump in the Left Chest: What You Should Know - Surgery

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I found a hard lump near the left side of my chest while taking a shower?


It is a movable, round mass about 0.9 cm in size that is very noticeable when lying down and palpating.
My menstrual cycle has always been irregular, and I'm concerned about whether this will have an impact.
I'm a bit scared and hesitant to talk to my family about it.

Niming, 10~19 year old female. Ask Date: 2017/08/12

Dr. Yu Mingchang reply Surgery


Hello: To reduce the risk of breast cancer, please take some time to visit the Breast Surgery Department at Changhua Hospital, Ministry of Health and Welfare, which cares about your health.

Reply Date: 2017/08/12

More Info


Discovering a movable lump in the left chest can be concerning, especially if you have a history of irregular menstrual cycles. While it’s natural to feel anxious about any new lump, it’s important to approach the situation with a clear understanding of what it could potentially mean.

Firstly, a movable lump in the chest, particularly if it is round and about 0.9 cm in size, can be benign in nature. Common causes of such lumps include lipomas (benign fatty tumors), cysts, or even lymph nodes that may be reacting to an infection or inflammation in the body. These types of lumps are often soft, movable, and not attached to the underlying tissues, which aligns with your description.
However, it is crucial to consider other possibilities as well. For instance, fibroadenomas are common benign tumors in young women, which can also present as movable lumps in the breast area. These are typically painless and can vary in size. If the lump is firm, irregular, or associated with other symptoms such as pain, changes in the skin, or discharge from the nipple, it may warrant further investigation.

Regarding your concern about the irregular menstrual cycles, while they are often related to hormonal imbalances, they are not directly linked to the presence of a lump in the breast. Hormonal fluctuations can lead to changes in breast tissue, making lumps more noticeable at certain times in your cycle. However, if you are experiencing significant changes in your menstrual pattern, it would be wise to consult a healthcare provider to rule out any underlying conditions such as polycystic ovary syndrome (PCOS) or thyroid issues.

It’s understandable to feel hesitant about discussing health concerns with family, but it’s important to seek medical advice. A healthcare professional can perform a physical examination and may recommend imaging studies, such as an ultrasound or mammogram, to assess the lump further. These tests can help determine the nature of the lump and whether any treatment is necessary.

In summary, while many lumps in the breast area are benign, it is essential to have any new or unusual lump evaluated by a healthcare provider. They can provide reassurance, a proper diagnosis, and guidance on any necessary follow-up or treatment. Remember, early detection and intervention are key to managing any health concerns effectively. Don’t hesitate to reach out for help; your health is important, and addressing these concerns is a proactive step towards maintaining it.

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