Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Within the limitations of technique , however , the cardiac , mediastinal and hilar contours appear probably unchanged . There is bilateral perihilar fullness , greater on the left than right , however , with a mild interstitial process , most suggestive of pulmonary congestion . Small pleural effusions are suspected in addition to thickening along the minor fissure . There is no pneumothorax .
    OUTPUT:
    
Findings most suggestive of mild - to - moderate pulmonary edema .