A large list of food that starts with A that can be used for many tasks. Click on any word in the list of food starting with A for the definition. NounsStarting.com
Colors of Mucus (Phlegm, Sputum). Phlegm may be clear (white), yellow/green, brown, grey, black, pink, orange, containing red streaks, or frothy. Phlegm is mucus (sputum) coughed up from the chest. It reveals inflammation in the respiratory organs below the vocal cords (voice box, windpipe, bronchi and lungs). From the color and density of phlegm, and accompanying symptoms, its cause may be suspected.
In order to diagnose lung cancer, your doctor may recommend: 1  Imaging tests. An X-ray image of your lungs may reveal an abnormal mass or nodule. 2  Sputum cytology. If you have a cough and are producing sputum, looking at the sputum under the microscope can sometimes reveal the presence of lung cancer cells. 3  Tissue sample (biopsy).