Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal contours are stable allowing for differences in patient positioning . There is a new small left pleural effusion , and there may also be a small right pleural effusion . There is no pneumothorax . Continued indistinctness of pulmonary hila with increased interstitial markings is consistent with interstitial pulmonary edema .
    OUTPUT:
    
New small left pleural effusion with a probable small right pleural effusion and mild vascular congestion .