Tool to train medical student's eyes as to what a normal chest x-ray looks what does a healthy lung xray look like like, with over 500 consecutive normal images. More what does a healthy lung x ray look like images. Lung cancer does not always produce symptoms in the early stages, and this can make it difficult to detect. a chest x-ray is usually the first test, but it cannot show that the person has cancer. Covid19 Coronavirus Diagnosis Chest Xray And Ct Scan Lung zones. assess the lungs by comparing the upper, middle and lower lung zones on the left and right. asymmetry of lung density is represented as either abnormal whiteness (increased density), or abnormal blackness (decreased density). once you have spotted asymmetry, the next step is to decide which side is abnormal. A chest x-ray of someone with suspected chronic obstructive pulmonary disease or copd is a standard part of a diagnosis. the resulting image may reveal enlarged lungs, a flattened diaphragm, or. In Need ...