Lymphatic vessels actively contribute to the spread of cancer metastases from various organs. This unexpected realisation is the result of a joint study by researchers from ETH Zurich and the University Hospital Zurich as ...
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E-cigarette vapour boosts the production of inflammatory chemicals and disables key protective cells in the lung that keep the air spaces clear of potentially harmful particles, reveals a small experimental study, published ...
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Billionaire former New York mayor Michael Bloomberg on Tuesday gave a trio of anti-tobacco crusaders $20 million to up their game against an industry aggressively marketing its deadly wares worldwide, especially in developing ...
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Results from a large-scale patient population study, recently published in the Annals of the American Thoracic Society, reveal palliative care is associated with a reduced risk of suicide in veterans diagnosed with advanced ...
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The previous decade has seen dramatic advances in the treatment of non-small cell lung cancer, as genes driving subtypes of the disease including EGFR, ALK, ROS1 and BRAF are paired with drugs that silence their action. However, ...
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Testing for dozens of genetic mutations in tumors of patients with a common form of advanced lung cancer did not appear to improve survival compared to routine genetic testing, a study led by Yale Cancer Center (YCC) scientists ...
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Drugs like crizotinib are used to treat patients with ROS1-positive lung cancer. But which patients are ROS1-positive? A University of Colorado Cancer Center study published in the Journal of Thoracic Oncology shows that ...
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Although national guidelines advise doctors to discuss the benefits and harms of lung cancer screening with high-risk patients because of a high rate of false positives and other factors, those conversations aren't happening ...
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As many as 50 percent of human cancer cases—across a wide variety of tissues—involve defects in a common cellular growth signaling pathway. These defects have so far defied most attempts to develop targeted therapies, ...
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Over the past few decades, our understanding of cancer has changed. We now know some cancers don't grow or grow so slowly that they'll never cause medical problems.
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Cell lines form the backbone of cancer research. These individual groups of cells, typically collected from patients' tumor samples and cultured to grow indefinitely in the laboratory, enable everything from basic genetic ...
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Cancer cells are more than a lump of cells growing out of control; they participate in active combat with the immune system for their own survival. Being able to evade the immune system is a hallmark of cancer. Cancer cells ...
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Radiotherapy is an important form of treatment for cancer patients but, currently, treatment is largely "one size fits all." However, a new study points to the potential for treatment to become more tailored to the tumour.
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Nose bleeds, or epistaxes, are often a mystery to the 60% of us who have had at least one in our lifetime. Suddenly, and without obvious cause, bright red blood starts streaming from one nostril.
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A survey of adolescents carried out by researchers at Coventry University has shown that than less than half of e-cigarette users knew that vape products contain nicotine or that they are addictive, raising the possibility ...
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Lung cancer is a disease characterized by uncontrolled cell growth in tissues of the lung. If left untreated, this growth can spread beyond the lung in a process called metastasis into nearby tissue and, eventually, into other parts of the body. Most cancers that start in lung, known as primary lung cancers, are carcinomas that derive from epithelial cells. Worldwide, lung cancer is the most common cause of cancer-related death in men and women, and is responsible for 1.3 million deaths annually, as of 2004. The most common symptoms are shortness of breath, coughing (including coughing up blood), and weight loss.
The main types of lung cancer are small-cell lung cancer (SCLC), also called oat cell cancer, and non-small-cell lung cancer (NSCLC). The most common cause of lung cancer is long-term exposure to tobacco smoke. Nonsmokers account for 15% of lung cancer cases, and these cases are often attributed to a combination of genetic factors, radon gas, asbestos, and air pollution including secondhand smoke.
Lung cancer may be seen on chest radiograph and computed tomography (CT scan). The diagnosis is confirmed with a biopsy. This is usually performed by bronchoscopy or CT-guided biopsy. Treatment and prognosis depend on the histological type of cancer, the stage (degree of spread), and the patient's general wellbeing, measured by performance status. Common treatments include surgery, chemotherapy, and radiotherapy. NSCLC is sometimes treated with surgery, whereas SCLC usually responds better to chemotherapy and radiation therapy. This is partly because SCLC often spreads quite early, and these treatments are generally better at getting to cancer cells that have spread to other parts of the body.
Survival depends on stage, overall health, and other factors, but overall 14% of people in the United States diagnosed with lung cancer survive five years after the diagnosis.
This text uses material from Wikipedia licensed under CC BY-SA
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