Cancer is uncontrolled growth of abnormal cells. The growth of abnormal cells in one or both lungs could be indicative of a lung cancer. These abnormal cells tend to grow but not develop into healthy tissue of the lungs. Research has shown that 87% of lung cancers linked smoking. The risks are significantly reduced if the person stops smoking.
The extent to which cancer has spread is categorized as different stages. The stage depends on the size of the tumor and areas it has spread. Physicians to determine the mode of treatment based on the stage of cancer.
Localized cancer in a specific part of the lung is called stage 1. If she has reached the lymph nodes at the top of lungs, he was appointed as Phase 2. The cancer spreads to the chest wall during step 3. Over there is a possibility of cancer had spread to other parts of the body such as the trachea and heart, once it reaches Stage 3. Sometimes there can be collection of fluid around the lungs contain cancer cells.
Symptoms of lung cancer varies from patient to patient. Common symptoms are cough continues or training phlegm with signs of blood inside. More pronounced were the symptoms like a hoarse voice or difficulty swallowing. Sometimes there is swelling of the cancerous area.
Lung cancer can be treated in several ways, such as surgery, radiotherapy or chemotherapy. Doctors determined treatment by stage of cancer has spread. In the initial stages, the patient can be treated with chemotherapy or radiotherapy. Surgery is generally recommended to remove a malignant tumor in the 3-stage lung cancer. If this is not enough, doctors remove the lung to reduce the growth of cancer cells. Some patients receive a combination of treatments. Chemotherapy is given before surgery for effective treatment.
It is very important to detect cancer at an early stage for effective treatment. As the cancer spreads, treatment becomes more complicated.