Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small - to - moderate sized left pleural effusion and a small right pleural effusion . There is also increased pulmonary vascular congestion . There is no definite evidence of pneumonia however an opacity in the left lower lung can not be entirely ruled out . This is all new compared to prior study . The visualized cardiac and mediastinal contours are within normal limits . No pneumothorax .
    OUTPUT:
    
Small - to - moderate left pleural effusion . Small right pleural effusion . Pulmonary vascular congestion . No definite evidence of pneumonia however an opacity in the left lower lung can not be entirely excluded . Followup to resolution .