Earliest lesion seen in asbestosis is:
It is the most common manifestation of asbestosis exposure composed of plaques of dense collagen containing calcium.they are usually asymptomatic and develop on anteroir and postereolateral pas of parietal pleura and over diaphragm.(ref Robbins 9/e p691)
Pleural plaques
Hilar lymphadenopathy
Adenoma lung
Mesothelioma
Respiratory system