A 49-year-old male sandblaster presents with 3-month progressive dyspnea and dry cough. Vital signs: BP 128/82 mmHg, HR 92 bpm, RR 22/min, Temp 37.2°C, SpO2 88% on room air. Chest X-ray demonstrates multiple 2-3 mm upper lobe nodules with eggshell calcification of hilar lymph nodes. Pulmonary function tests show reduced DLCO. Notably, there is no fever or hemoptysis. Which diagnosis best explains these findings?

1. A)Sarcoidosis
2. B)SilicosisGABARITO
3. C)Berylliosis
4. D)Asbestosis
5. E)Coal workers pneumoconiosis