Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen , is a large left pleural effusion , increased in size from ___ . There is obscuration of the left cardiac border . Additionally , there is also likely a small right pleural effusion . There are increased interstitial markings bilaterally , likely reflecting interstitial edema . The aortic knob is calcified . There is no pneumothorax .
    OUTPUT:
    
1 . Interval increase in left pleural effusion with atelectasis . A pneumonia can not be excluded in this region . 2 . Interval increase in interstitial lung markings consistent with edema .