What does pulmonary calcification mean?

Lung calcification point means that in lung imaging examination such as X-ray film or chest CT examination, the shadow of relatively high density on the lung at present, most of which are considered to be old lesions at this time, which may be caused by the following reasons: First, more common is lung inflammation after treatment, inflammation subsided and organized after the legacy, this time do not need to take anti-inflammatory drugs, regular review can be. Second, there may be previous tuberculosis or infection with tuberculosis bacilli, after treatment or their own immunity after self-healing similar scar tissue. Third, pulmonary hamartoma caused by pulmonary calcification, the above are benign lesions, generally do not cause symptoms, only need to regularly review chest X-ray or CT can be.