Table 2

The classification of chest X-ray changes by stage in sarcoidosis

StageRadiographic changesChance of spontaneous remission (%)1
0Normaln/a
IBilateral hilar lymphadenopathy60–80
IIBilateral hilar lymphadenopathy with parenchymal infiltrates50–60
IIIParenchymal infiltrates without bilateral hilar lymphadenopathy30
IV*Pulmonary fibrosis0

  • *As described by some authors.