Table 2.

Radiographic findings

	Radiological findings at diagnosis	Radiological findings at 1st follow-up	Days to 1st follow-up	Radiological findings at 2nd follow-up	Days to 2nd follow-up
P1	Interstitial parenchyma changes, bihilary lymphadenopathy	Regression	231	Indurative lung parenchyma changes	395
P2	Extensive interstitial lung parenchyma changings	Regression	376	Minimal ground-glass opacity	845
P3	Basal emphasized interstitial lung disease	Regression	1579	n.a	n.a
P4	Basal emphasized interstitial lung disease	Unchanged	1160	n.a	n.a
P5	Basal emphasized interstitial lung disease	Unchanged	270	n.a	n.a
P6	Basal interstitial changing	Unchanged	589	No interstitial changing, basal pitted fibrosis	3009
P7	Extensive interstitial lung parenchyma changings	Regression	246	n.a	n.a
P8	Cicatricial contortions of the lung parenchyma	Unchanged	353	n.a	n.a