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Cancer May 07, 2013 | not rated yet | 0
A seven-year quest to understand how breast cancer cells resist treatment with the targeted therapy lapatinib has revealed a previously unknown molecular network that regulates cell death. The discovery provides new avenues ...
Cancer May 07, 2013 | 5 / 5 (4) | 0 |
Lung cancer is associated with very high mortality, in part because it is hard to detect at early stages, but also because it can recur frequently after surgical removal. The question arises as to what is the best way to ...
Cancer May 06, 2013 | not rated yet | 0
Adding omega-3 fatty acids did not improve a combination of nutritional supplements commonly recommended for treating age-related macular degeneration (AMD), a major cause of vision loss among older Americans, ...
Ophthalmology May 06, 2013 | 3 / 5 (2) | 0 |
Toxic waste sites with elevated levels of lead and chromium cause a high number of "healthy years of life lost" in individuals living near 373 sites located in India, Philippines and Indonesia, according to a study by a Mount ...
Health May 04, 2013 | not rated yet | 0
By tracking changes in patients' blood, Cambridge scientists have created a new way of looking at how tumours evolve in real-time and develop drug resistance. The research was published in the print edition ...
Cancer May 03, 2013 | 5 / 5 (2) | 0 |
The diabetes drug metformin slows the growth of lung cancer cells and makes them more likely to be killed by radiotherapy, according to a study published in the British Journal of Cancer today.
Cancer May 01, 2013 | 5 / 5 (2) | 0
Cancer spread or metastasis can strike unprecedented fear in the minds of cancer patients. The "seed and the soil" hypothesis proposed by Stephen Paget in 1889 is now widely accepted to explain how cancer cells (seeds) are ...
Cancer Apr 30, 2013 | 5 / 5 (1) | 0
In one of the largest observational studies of its kind, researchers report that a combination of chemotherapy and radiation followed by surgery in patients with stage 3 non-small cell lung cancer improves survival.
Cancer Apr 30, 2013 | not rated yet | 0
Cancer research tends to involve small studies focused on a single therapy, often falling short of scientific standards seen in other medical investigations, said a study released Monday.
Cancer Apr 29, 2013 | not rated yet | 0
Surgery is often recommended for skin cancers, but older, sicker patients can endure complications as a result and may not live long enough to benefit from the treatment.
Cancer Apr 29, 2013 | not rated yet | 1
Fueled in part by an inclination to speed new treatments to patients, research studies for cancer therapies tend to be smaller and less robust than for other diseases.
Cancer Apr 29, 2013 | 5 / 5 (1) | 0
A unique new study led by University of Kentucky Markey Cancer Center researchers Guo-Min Li and Libya Gu, in collaboration with Dr. Wei Yang at National Institutes of Health, reveals a novel mechanism explaining the previously ...
Cancer Apr 25, 2013 | not rated yet | 0
A prospective study by researchers at Brigham and Women's Hospital (BWH) observed an association between risk of second primary cancer and history of non-melanoma skin cancer in white men and women.
Cancer Apr 23, 2013 | not rated yet | 0
A different view of cancer cells: New study measures physical changes in tumor cells as they become metastatic
Most cancer deaths are caused by metastatic tumors, which break free from the original cancer site and spread throughout the body. For that to happen, cancer cells must undergo many genetic and physical changes.
Cancer Apr 23, 2013 | not rated yet | 0 |
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 and is available under the GNU Free Documentation License.
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