Early symptoms of breast cancer

Written by Lin Yang
Breast Surgery
Updated on May 07, 2025
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The initial symptom of early breast cancer is a painless, single small lump with no redness or swelling around the skin. However, a few individuals may experience nipple discharge, typically fresh or stale blood. There may be slight indentations on the skin and some itching. Visually, some individuals might notice inverted nipples and lymph node metastasis under the armpits. The lump often has unclear boundaries, is hard in texture, has limited mobility, adheres to the skin, and is difficult to move within the breast tissue.

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Male breast cancer generally occurs at what age?

The general age of onset for male breast cancer is between 65 and 67 years old, which is about five to ten years later than the onset age for female breast cancer. Male breast cancer is a relatively rare malignancy, accounting for only 0.6% to 1% of all breast cancer cases, meaning that out of 100 breast cancer patients, approximately one is male. The development of male breast cancer is caused by multiple factors, which may include genetic factors, environmental influences, and also related to levels of hormone secretion from the endocrine system.

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Early-stage breast cancer symptoms

Early-stage breast cancer may exhibit several symptoms. The first is the presence of breast lumps. The second symptom might be nipple discharge, which can be serous, watery, or milky in nature. The third symptom might involve changes in the skin over the breast tumor, including skin adhesion, such as dimpling, engorgement of superficial veins, skin reddening, localized increase in temperature, and an orange-peel texture. The fourth symptom includes abnormalities of the nipple and areola, potentially featuring nipple retraction, erosion of the nipple, thickening of the nipple epithelium, and reddening. The fifth symptom could be breast pain.

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Early manifestations of breast cancer

Early-stage breast cancer is primarily characterized by a single, painless small lump, which is hard with unclear boundaries and a rough surface, blending indistinguishably with surrounding tissues and difficult to move within the breast. It is usually discovered accidentally or while bathing. Swollen lymph nodes may be present, and the nipple may be inverted with possible bloody discharge. As the tumor grows, it may invade the Cooper's ligaments, causing the skin to dimple, a condition known as peau d'orange. These are all early symptoms of breast cancer. If the condition progresses, it may lead to a skin texture resembling orange peel.

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Where does breast cancer usually hurt?

Breast cancer generally is painless, early stages present as a painless, solitary, small lump that is hard and has an uneven surface, with unclear boundaries with the surrounding tissue and is difficult to move within the breast. It is usually discovered accidentally by the patient or while bathing. As breast cancer continues to grow, it invades the Cooper's ligaments, causing contraction, hence the skin over the lump often appears puckered, a sign commonly referred to as dimpling, indicative of early-stage breast cancer. As the cancer progresses, it often causes the breast to shrink and harden, elevates the nipple, and may involve the milk ducts, leading to nipple retraction or indentation. It can also significantly increase in size within months, causing the affected breast to become larger and protrude. Breast cancer, invading the chest muscles and fascia, may fix the lump to the chest wall, making it difficult to move.

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What is invasive breast cancer?

Invasive breast cancer is the most common tumor in women, accounting for 22% of all malignant tumors in females. Invasive breast cancer refers to a malignant tumor where cancer cells have broken through the basement membrane of the breast ducts or lobular alveoli and invaded the interstitium. The vast majority of invasive breast cancers are adenocarcinomas, originating from the epithelial cells of the breast parenchyma, especially from the terminal duct lobular units. Its characteristics include the tumor's infiltration into adjacent tissues and a marked tendency for distant metastasis.