Friday, May 6, 2011

Transfer and spread of breast cancer

And some thyroid cancer similar to the natural history of breast cancer as cancer, type is usually very long, breast cancer cells, 90 days for an average doubling time, from the beginning of a malignant cell, the doubled after 30 times, area, which will take seven to eight years to reach tumor diameter of LCM. Completely clear of breast cancer so far, the best way to reduce mortality has not been early detection and early treatment. In tumor metastasis, surgery and radiotherapy alone can cure the vast majority of cases. Once transferred, only treat a small number of patients, the breast cancer positive for understanding the natural law. Select the best breast cancer treatment program to help.

Expansion directly around the breast cancer, lymph and blood flow. Primary tumor to lymph nodes Yat, the first hurdle is to stop the cancer cells, cancer cells through the lymph node barrier is usually crime supraclavicular lymph nodes should then enter the blood vein. Axillary lymph node cancer in addition to transfer, even more than parasternal lymph nodes, including the area between the second and third ribs and the environment more so than fourth in the first half of breast cancer, lymph node cancer, repeat from here. Breast cancer cells may also direct vascular invasive metastasis. Pulmonary circulation in the ipsilateral intercostal nerve thoracic nerve unknown by-side. Deep breast tissue, breast and chest wall Awajtruki vein vein vein vein in the unknown and the orbit, lung metastasis is an important way, the flow of Qi intercostal nerve and vein close to the vein, superior vena Cava last Rufei, the intervertebral vein of the venous , vertebral venous network through the vertebral venous system, the vertebral venous system and inter-abdominal pressure Cava vein blood flow to each other can change the flow associated with the group so that after the lack of a better some patients, a skull, spine, such Pengu, before transferring vena Cava transfer (such as the lungs).

For a long time, people have found that breast cancer may be in the presence of distant metastasis, was clinically not to participate, despite the theoretical basis for chemotherapy constitutes a conservative implementation . Today, according to the tumor is able to shape, number of lymph and the initial estimate of the risk of distant metastases lowest level node involvement is present in a variety of other biological characteristics.

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