Yes, a bra can cause a lump, though usually not cancerous ones. These lumps are often due to irritation.
Here's a breakdown:
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Ill-fitting Bras and Underwire: A bra that doesn't fit properly, or one with an underwire that digs into the chest, can cause irritation. This irritation can sometimes manifest as a lump.
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Non-Cancerous Lumps: Most lumps that appear at the bra line are not cancerous.
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Possible Causes:
- Cysts: These fluid-filled sacs can develop in the breast tissue.
- Fibroadenomas: These are solid, non-cancerous breast tumors.
- Inflammation: Irritation from the bra itself can cause inflammation, leading to a noticeable lump.
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When to See a Doctor: While many lumps are benign, it is important to consult a doctor if you find a new or changing lump in your breast or under your arm. A doctor can properly evaluate the lump and determine the cause.
In summary, while a bra can contribute to the formation of a lump through irritation, it's crucial to have any new lump evaluated by a healthcare professional to rule out more serious conditions.