Thymus cancer and breast cancer differences

Written by Liu Liang

Oncology

Updated on September 23, 2024

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Thymic cancer, which refers to the malignant tumor that occurs in the thymus, predominantly presents as squamous cell carcinoma. It generally arises in the mediastinum, with clinical symptoms such as chest pain, cough, and breathing difficulties.

Breast cancer, on the other hand, refers to the malignant tumor occurring in the breast tissue, with invasive ductal carcinoma being the most common type. Its symptoms often include unintentionally discovered breast lumps, or metastasis to axillary lymph nodes, felt as enlargement of these nodes.

Therefore, these two diseases differ in their sites of origin, symptoms, pathological types, and treatments.

Other Voices

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Written by Lin Yang

Breast Surgery

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Symptoms of breast cancer metastasis

Symptoms of breast cancer metastasis first involve the lymph nodes, with multiple enlarged lymph nodes that can be felt beneath and above the collarbone. These can be diagnosed as metastases from breast cancer using color Doppler ultrasound and cytopathology puncture. The second symptom is bone metastasis. If there is pain in the pelvic or rib area, and an increase in alkaline phosphatase in the blood biochemistry, high suspicion of bone metastasis should be considered. It is necessary to conduct a PADCT or bone scan for further confirmation. If symptoms like coughing, expectorating phlegm, and blood-tinged sputum appear, lung metastasis should be considered, requiring further diagnosis with a CT scan.

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Written by Zhang Chao Jie

Breast Surgery

1min 22sec

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Breast cancer symptoms

The symptoms of breast cancer depend on the severity of the cancer and whether there are any signs of metastasis or recurrence. It is important to emphasize that over 90% of breast cancer cases do not involve pain as a symptom. This means that the earliest symptoms of breast cancer are usually determined by whether the cancer is in its early or late stages. Early-stage breast cancer may have no symptoms at all, or there may be signs such as a lump or hard nodule in the breast, discharge from the nipple, especially coffee-colored or bloody discharge. Late-stage symptoms can include changes in the skin of the breast resembling the texture of an orange peel, palpable large lymph nodes in the armpit that are hard but neither painful nor itchy. If the cancer has metastasized to the lungs, chest cavity, pleura, liver, bones, or head, symptoms might include chest pain, coughing, difficulty breathing, abdominal distention, bone pain or fractures, as well as headaches, eye pressure, and dizziness, among others. Therefore, the symptoms of breast disease depend on whether the cancer is in its early stages; if it is in a late stage and has metastasized to other parts, corresponding symptoms will be present. It is also important to remember that early-stage breast cancer may not show any symptoms at all.

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Written by Fan Hong Qiao

Breast Health Department

1min 10sec

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Does breast cancer have a genetic component?

Breast cancer is somewhat related to genetics and has a certain familial predisposition. It manifests as a higher incidence rate in relatives with breast cancer, especially in closer blood relations, and daughters may develop the disease at an earlier age than their mothers. There is also a higher risk of bilateral occurrence and a tendency for other malignant tumors to develop in different parts of the body. Additionally, if a family has at least two sisters with breast cancer and their mother is not afflicted by the disease, the susceptibility of this family is about three times higher than average, commonly occurring after menopause, and usually affecting one side. Of course, the influence of human genetic factors on the development of breast cancer is multifaceted. The occurrence of breast cancer is affected not only by genetic factors but also by many other factors, which have a cumulative effect of risks. It is recommended that individuals from families with a history of breast cancer should undergo regular screening, improve their lifestyle, and avoid the accumulation of risk factors, which can also enable earlier detection and treatment of breast cancer that has already developed.

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Written by Zhang Chao Jie

Breast Surgery

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Can breast cancer be contagious?

Breast cancer is not contagious. Infectious diseases have their natural characteristics. For instance, respiratory infectious diseases and even hepatitis can be transmitted through certain pathways. Cancer, including breast cancer, is not communicable. To date, medical research has found no evidence suggesting that cancer can be spread from person to person. Only about 5% of cancers have a genetic component. Consider this: if cancer were contagious, wouldn't medical professionals, aside from the patients' families, be the most affected group? However, how many health care providers have contracted cancer from their patients? Thus, it can be stated that breast cancer is not contagious.

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Written by Gong Chun

Oncology

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Breast cancer is a disease.

Breast cancer is a malignant tumor of the breast that can occur in both women and men, though it is more commonly seen in women. Breast cancer arises when breast epithelial cells undergo genetic mutations under the influence of various carcinogenic factors, losing the characteristics of normal cells. Consequently, the structural organization of breast cancer tissue is disrupted, with loose cell connections, allowing cancer cells to easily detach and spread throughout the body via pathways such as blood or lymphatic fluid, leading to metastases in the lungs, brain, bones, etc. Therefore, this disease directly affects patient survival outcomes and should be taken seriously by everyone.