Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are increased interstitial markings at the bases . There is no consolidation , pneumothorax , or pleural effusion . Cardiomediastinal and pulmonary structures are unremarkable . Heart size is normal .
    OUTPUT:
    
No acute cardiopulmonary process . Increased bibasilar interstitial markings likely from chronic lung disease but these can be better characterized on a non-emergent high resolution chest CT .