Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interstitial markings are increased . There is evidence for a very small right pleural effusion . The heart is at the upper limit of normal in size . The aorta is tortuous and calcified . Mediastinal structures appear stable . The bony thorax is grossly intact .
    OUTPUT:
    
Increased interstitial markings consistent with vascular congestion . Evidence for small right effusion .