"stage 0: normal chest radiographfrequency at presentation: 5-15%"
"stage I: hilar or mediastinal nodal enlargement only"
"stage II: nodal enlargement and parenchymal disease"
"stage III: parenchymal disease only"
"stage IV: end-stage lung disease (pulmonary fibrosis)"
"On PA chest radiographs, sarcoidosis can be classified into five stages 1,2,6:"
"stage 0: normal chest radiographfrequency at presentation: 5-15%"
"stage I: hilar or mediastinal nodal enlargement only"
"stage II: nodal enlargement and parenchymal disease"
"stage III: parenchymal disease only"
"stage IV: end-stage lung disease (pulmonary fibrosis)"
Expected headings
"Scadding criteria"
"History and etymology"