Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes with likely bilateral pleural effusions . Perihilar opacities likely relate to pulmonary edema . Patchy left base retrocardiac opacity could relate to pleural effusion and atelectasis , however , underlying consolidation is not excluded . No definite pneumothorax is seen . Mildly heart size can not be adequately assessed , grossly , cardiac and mediastinal contours are stable to prior . There may again be prominence of the main pulmonary artery .
    OUTPUT:
    
No evidence of pneumothorax . Low lung volumes with bilateral pleural effusions , left base opacity could be due to combination of pleural effusion and atelectasis , although consolidation is not excluded . Likely component of pulmonary edema .