Approximately 25 percent of those who have lung cancer will show no signs until they are diagnosed. Their cancer frequently is diagnosed with a regular chest X-ray or by a CT scan performed for different factors. However, most who suffer from lung cancer do have symptoms and signs of the illness. Here are the common ones.
Wheezing — a whistling sound made when somebody having a constricted airway exhales — is a symptom of several lung ailments, such as lung cancer. In cancer patients, wheezing could be caused by a tumor pressing on an airway.