Radiology Which one of the following condition is associated with extensive pleural thickening and calcification especially involving the diaphragmatic pleura? A Coal worker's pneumoconiosis B Asbestosis C Silicosis D Siderosis 💡 Explanation Which one of the following condition is associated with extensive pleural thickening and calcification especially involving the diaphragmatic pleura? ✓ Correct Answer: B. Asbestosis