Diagnosis. If your doctor thinks you might have lung cancer — for instance, because you have a long-lasting cough or wheezing — you'll get a chest X-ray or other imaging tests. You may also need to cough up phlegm for a sputum test.
Some lung cancers are found early as a result of tests that are done for other medical. Does a negative chest X-ray definitely mean I don't have lung cancer?
All chest X-rays and all common symptoms of lung cancer reported to primary. . The results of the first X-ray taken in the 164 patients were: 126 (77%) positive; .