Cancer Information

Posts Tagged ‘type of cancer’

Lung cancer occurs when there is an unusual growth of cells in the lung tissue growth, usually malignant, metastasis and proliferation may lead to other body tissues. This type of cancer is divided by the size and appearance of cells: small cell lung cancer and small cell.

The most common symptoms are usually shortness of breath, cough, including coughing up blood, weight loss, chest pain, hoarseness and swelling in the neck and face, among others.
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Stage 0
At this stage do not require chemotherapy or radiotherapy. Surgery may completely remove the cancer. The type of surgery is a segmentectomy, ie the removal of a lung wedge.

Stage I
Segmentectomy is generally used for smaller tumors or for patients with worse physical condition, or lobectomy to remove the tumor.

The effectiveness of adjuvant chemotherapy, is being tested in clinical trials. Although micrometastases is useful for those that have not been identified and have not been removed by surgery.

If the tumor is at the edge of the lung tissue probably not have removed all the cancer cells, so radiation therapy is recommended.

Radiation therapy can be used as primary treatment if the patient, general condition, can not undergo surgery. The survival rate after five years in this stage is 65%.

Stage II
Used surgery: segmentectomy or lobectomy.

Radiation therapy can be used after surgery to ensure that it is not any cancer cells. It can also be used as primary therapy in those patients who can not be operated on by health problems. Chemotherapy may be used after surgery or radiotherapy.

The survival rate for patients who are in this stage of cancer is 40%.

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Chemotherapy is the primary treatment option in most cases of SCLC. It can easily control the symptoms, which are often very pronounced in this type of cancer. However, the cures are rare and most often accrue past year or two.

Not all patients can be operated on as it will depend on whether they have sufficient capacity to withstand respiratory excision of part or all of the lung and how is your general condition.

In lung cancer, often used a combination of chemotherapeutic drugs. Some of these drugs can be given by mouth or by vein. When they reach the bloodstream, these drugs are spread throughout the body and act against cancer cells, destroying them. For this reason it is very useful in those cancers that have spread to other areas.

Chemotherapy can be given as primary treatment or as therapy to aid surgery. In many cases, chemotherapy is given before surgery, with the intention of reducing the tumor volume and pave the way for a surgeon. Even at times, some inoperable lung cancers become operable after several months of chemotherapy. It is also possible to receive chemotherapy after surgery, even when the entire tumor was removed successfully. The reason is that with this strategy avoids a percentage of relapse and end up healing more long-term patients. We know this kind of cancer treatment as adjuvant chemotherapy.

The choice of treatment of first or second line depends on the type of cancer, and ranges from non-small cell cancer or small cell.

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The classification of small cell lung tumors is much simpler. In this type of cancer is spoken of limited stage and extensive stage.

The limited stage means that the tumor is confined to the hemithorax of origin, the mediastinum and supraclavicular nodes. This would be tolerable in the employment field of radiotherapy.

The extended period is one in which the cancer is too widespread to be included within the definition of limited stage, ie the cancer has spread to other lung, to lymph nodes in the other breast to distant organs, and so on.

Patients with limited stage of cancer may be effectively treated with radiation therapy. In those with extensive stage is not as applicable radiotherapy.

The snuff smoking is the main cause in 90% of cases of lung cancer in both men and women. Decades ago, this tumor was much less common in women and it was featured it was more likely that was not related to snuff. These differences are disappearing rapidly, reflecting the incorporation of women with smoking in the previous years.

Another part of this type of cancer is caused by inhaled substances and who are in the workplace, a phenomenon related to the 10% -15% of lung cancer in males and 5% in women. The most important of these substances are asbestos, such as those used in asbestos factories.

Lung cancer can also be caused by radiation received at the chest, such as treatment with radiation therapy used to treat breast cancer and lymphoma. The interval between radiation exposure and cancer onset is usually very long, around age 20. The greatest risk are people who tried for many years with old appliances, and smoked during the following years. The risk with modern radiotherapy equipment is very low.

Hereditary factors have little relation to lung cancer.