Radiographic Staging of Sarcoidosis - Prognosis Stage 0: No visible findings - Not applicable Stage 1: Bilateral hilar lymphadenopathy - Spontaneous resolution in most cases Stage 2: Bilateral hilar lymphadenopathy and parenchymal infiltration - Spontaneous resolution possible Stage 3: Parenchymal infiltration without hilar adenopathy in regular chest radiography - Spontaneous resolution in rare cases Stage 4: Advanced fibrosis with evidence of honeycombing bronchiectasis, hilar retraction, bulla and cysts - Permanent organ damage #Sarcoidosis #Staging #Stages #diagnosis #prognosis
