findings of HRCT chest are as below Few fibrotic infiltrates are seen in bilateral upper lobes in apical segments. Ground glassings is seen in bilateral upper and lower lobes Trachea, major bronchial divisions and mediastinal great vessels appear unremarkable. No evidence of significant mediastinal/ hilar lymphadenopathy. No evidence of any pleural effusion/ thickening seen. cardiac size is normal with apparently normal configuration. No obvious pericardial collection seen Chest wall structures unremarkable Opinion: Few fibrotic infiltrates are seen in bilateral upper lobes in apical segments s/o sequelae of oldinfection may i request you what these findings suggest ?