Chronic cough: The first and most common symptom of lung cancer is a cough that does not go away or is similar to a chronic "smoker's cough".
Cough is present in 50 to 75 percent of lung cancer patients at the time of presentation.
Cough: It is important to see your doctor immediately if you notice that there is phlegm or sputum rust, or if you are bleeding.
Chest pain: Chest pain that worsens with coughing, laughing, or deep breathing is another common symptom of lung cancer.
Shortness of breath: Shortness of breath is a common symptom in lung cancer patients at diagnosis, occurring in about 25 to 40 percent of cases. Dyspnea is a medical term used for shortness of breath. Since shortness of breath can also be caused by many other diseases, consulting your doctor is the best way to find out the cause of your shortness of breath.
Loss of appetite: While the loss of appetite can be a symptom of many other diseases, if it is accompanied by any other symptom like cough or chest pain, it can be a sign of lung cancer.
Unexplained weight loss: The medical term for loss of appetite is anorexia, while inadvertent weight loss due to malnutrition is called cachexia. These two words are combined into 'cancer anorexia-cachexia syndrome' or CACS. Weight loss has been observed in 60% of lung cancer patients at the time of diagnosis. Cachexia is diagnosed when a patient inadvertently loses more than 5% of their body weight in six months.
Wheezing and/or persistent lung infection: Wheezing is a condition where the whistling sound is produced while breathing. According to estimates, lung cancer patients have shortness of breath, shortness of breath, cough, shortness of breath, and coughing up blood. A lung infection such as pneumonia or bronchitis, if recurring, can be a sign of lung cancer.
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