To determine if a patient has, in effect, of cancer, there is a wide variety of tests that the doctor can use. After the initial examination and x-ray, your doctor might order tests on phlegm. Other tests may include:
Bronchoscopy
It is a procedure designed to look inside the airways of the lungs. It involves inserting a thin, flexible tube down the throat into the airways. The tube allows the doctor to look inside. Your doctor might also take samples of tissues and cells (biopsy) during bronchoscopy.
Symptoms