A chest X-ray cannot diagnose asthma but can provide valuable information during a severe attack or when someone is hospitalized with asthma complications. A chest X-ray can also differentiate ...

You may not notice any obvious signs of lung cancer in its early stages, but they may show up in some unexpected parts of ...

by highlighting objects not normally seen by the naked eye - in this case healthy and abnormal lung tissue. The big advantage is that it can pick up cells that are just starting to grow.' ...