A 28-year-old woman presents with progressive dyspnea, erythema nodosum, and arthralgia. Vital signs show BP 118/76, HR 92, RR 20, SpO2 92% on room air. Chest X-ray demonstrates bilateral hilar lymphadenopathy without parenchymal infiltrates. Laboratory studies reveal elevated serum ACE level at 68 U/L and normal serum calcium of 9.2 mg/dL. High-resolution CT confirms no upper lobe involvement. Which radiographic stage of sarcoidosis is most consistent with these findings?

1. A)Stage V
2. B)Stage III
3. C)Stage IGABARITO
4. D)Stage II
5. E)Stage IV