Symptoms of lung cancer

What are the early symptoms of lung cancer? Survival rate for this cancer increases if the disease is discovered in its early stages. Unfortunately, almost half of the patients, the cancer is already in an advanced stage at diagnosis. This can be avoided if people know the early symptoms of lung cancer.
Understanding and discovering the early signs of lung cancer are important for smokers and non-smokers. Currently, 85% of people who develop cancer are smokers or have smoked more than 10 years in their lifetime, only 15% of the illness without having ever smoked.
Specific manifestations of lung cancer
Persistent cough. Many people attribute chronic cough other diseases than lung cancer. A cough that lasts more than a few weeks may be one of the early signs of lung cancer. This event is even more difficult to associate lung cancer in people who suffer from asthma, allergies or gastroesophageal reflux disease.
Cough accompanied by blood (hemoptysis) is a symptom of lung cancer, even if blood is present in large amounts in expectorated sputum while coughing. If you experience a persistent cough, check with your doctor for tests and analysis.
Shortness of breath during physical activity. Another early symptom frequently encountered in the early stages of lung cancer, is the breathing difficulties that occur during physical activity. This can be overlooked and associated with age, lack of form or gained weight. If you find that you have trouble breathing when you exercise or entertain sexual contact, do not rush to blame it on age, weight or moisture. Make an appointment with your doctor to find the cause breathing difficulties.
Pain in the shoulder, back, chest or arm. Lung cancer can affect nerves, causing pain, shoulder, chest, back or arm – even before they present other early symptoms (cough or shortness of breath). If you experience such constant pain, who do not know the exact cause, consult your doctor. Up to 50% of people diagnosed with this cancer had such pain at the time of diagnosis.
Repeated infections such as bronchitis and pneumonia. It is not uncommon to discover that someone has lung cancer, after being treated for repeated episodes of bronchitis or pneumonia. If a tumor is located near the airways, it can cause an obstruction, which may predispose to these repeated infections. If you have suffered repeatedly from respiratory tract infections, talk to your doctor. Repeated infections may be due to smoking or other conditions, such as chronic obstructive pulmonary disease, and early symptoms of colon cancer.
Any anormal events and general decline of health. If you notice unusual symptoms, it is important to contact your doctor, especially if you smoke or have smoked during life. No apparent cause symptoms such as pain in the joints (especially knees), fatigue, decreased appetite, unexplained weight loss or even depression can be signs of lung cancer.

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