A 45 year old coal mine worker presents with cutaneous nodules,joint pain and occasional cough with dyspnoea.His chest radiograph shows multiple small(1-4cm)nodules in bilateral lung fields.Some of the nodules show cavitation and specks of calcification.Most likely these features are diagnostic of:

A 45 year old coal mine worker presents with cutaneous nodules,joint p

1.	A 45 year old coal mine worker presents with cutaneous nodules,joint pain and occasional cough with dyspnoea.His chest radiograph shows multiple small(1-4cm)nodules in bilateral lung fields.Some of the nodules show cavitation and specks of calcification.Most likely these features are diagnostic of:
A.	Sjogrens syndrome
B.	Caplan's syndrome
C.	Silicosis
D.	Wegener's granulomatosis
Answer» C. Silicosis