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What is A 48 years old man, resident of Baroda outskirts near a textile mill presents to his family physician with respiratory symptoms. Doctor advices X-ray chest which showed - fine reticular & nodular pattern in lower zone with loss of clarity of diaphragm & cardiac shadows. He also doubts about the presence of small pleural effusion. The probable diagnosis is? and explain in detail?
Information is this question are :-
	1) Exposure to textile industry; 
	2) Reticulo-nodular pattern in lower lung zone; 
	3) Loss of definition of heart border and diphragm; 
	4) Small pleural effusion. 
	​All these suggest the diagnosis of asbestosis.