由 xjjwyl 於 2023-05-16 16:23:58 發表 | 累積瀏覽 112
Cancer-causing mutations are thought to be permanent and persist even after quitting smoking. But this surprising finding, published in the journal Nature, suggests that the few cells that can escape damage can repair the lungs. This effect was seen even in patients who smoked a pack a day for 40 years before quitting.
Lung cancer is by far the leading cause of cancer death in the United States, accounting for about one in five cancer deaths. Lung cancer kills more people each year than colon, breast, and prostate cancer combined.
Cancer surgery is an option for some patients, depending on the type, location, and stage of their lung cancer, as well as other medical conditions. Nov. 17, 2022 Attempts to cure cancer with surgery include removing the tumor, surrounding lung tissue, and lymph nodes in the tumor area
Leading Causes of Cancer
Risk by Age: About two-thirds of lung cancers are diagnosed in people over 65 years of age, and the majority are over 45 years of age. The average age at diagnosis was 71 years. Family history: Genetics may predispose some people to cancer.
A 2013 review of studies found that the average survival time for untreated NSCLC patients was just over seven months. A 2012 review found that survival time in untreated SCLC was between 2-4 months. March 19, 2021
Non-Small Cell Lung Cancer Symptoms
Cough producing blood or red phlegm (hemoptysis) Chest pain or breathing pain. Difficulty breathing or shortness of breath. Fatigue or feeling unusually weak or tired.
Most people diagnosed with cancer are 65 or older; very few are diagnosed under the age of 45. The average age at diagnosis is about 70 years. Lung cancer is by far the leading cause of cancer death in the United States, accounting for about one-fifth of all cancer deaths.
Most people can only use one lung instead of two if needed. Normally, one lung can provide enough oxygen and remove enough carbon dioxide, unless the other lung is damaged.
The goal of cancer surgery is to remove the entire tumor. Doctors can't do this if it's spread outside your lungs. Removing the main tumor in the lung does not prevent cancer in other organs or distant lymph nodes. Radiation, chemotherapy, or immunotherapy work better than surgery.
Median survival rates for brain and pancreatic cancers are much lower and have not improved significantly over the past four decades. In fact, cancer has one of the worst survival rates of all cancers. According to the American Cancer Center website, the five-year survival rate for small cell lung cancer is 4%.
