Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aorta is mildly tortuous . Mediastinal and hilar contours are unremarkable . There is no pulmonary vascular congestion . Increased interstitial opacities are most pronounced at the lung bases , suggestive of a chronic interstitial lung disease . No focal consolidation or pleural effusion is present . Mild scarring is seen within the lung apices . There is no pneumothorax . No acute osseous abnormality seen .
    OUTPUT:
    
Findings concerning for a chronic interstitial lung disease with a basilar distribution . Further assessment with a high - resolution chest CT is recommended . No radiographic evidence for tuberculosis .