Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size with a left ventricular configuration . The mediastinal and hilar contours appear unchanged . There is new , but mild diffuse interstitial abnormality , which most often would likely signify pulmonary vascular congestion . Left basilar opacity suggests atelectasis or scarring . The aorta is extensively calcified . There is no pleural effusion or pneumothorax . There is mild rightward convex curvature and bony demineralization with a lower thoracic compression deformity that appears not significantly changed .
    OUTPUT:
    
New mild interstitial abnormality , probably due to pulmonary congestion , although in the appropriate clinical setting other etiologies such as atypical pneumonia could be considered .