Increased and thickened texture in both lungs is an imaging sign that usually refers to chronic non-specific inflammation in and around the lungs due to infectious or non-infectious factors.
Lung texture increase and coarsening is mostly caused by respiratory diseases, due to the trachea or bronchial tubes have bacteria or viruses and other pathogenic microorganisms infections, which cause trachea, bronchial tubes mucosa and its surrounding tissues to occur inflammatory reaction and a series of symptoms, and the imaging examination can be seen in the increase and coarsening of the lung texture.
If it is only a slight increase in the coarsening of lung texture, the patient usually has no obvious adverse symptoms, but in severe cases, there will be cough, sputum, chest tightness, wheezing and other clinical symptoms.