Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . A moderate - sized hiatal hernia is again noted . Increased interstitial opacities are noted diffusely , more pronounced on the lung bases , likely reflective of chronic interstitial lung disease . Mild superimposed interstitial pulmonary edema is not excluded . More focal opacity within the right upper lobe could reflect an area of infection . There is no pleural effusion or pneumothorax . No acute osseous abnormality is demonstrated .
    OUTPUT:
    
Diffusely increased interstitial opacities likely reflective of chronic interstitial lung disease , though a component of superimposed interstitial pulmonary edema is not excluded . More focal patchy opacity in the right upper lobe could suggest infection . Moderate size hiatal hernia . Comparison with any previous chest CT imaging is recommended , and if none are available , dedicated high - resolution chest CT is suggested .