Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest demonstrate low lung volumes , with bibasilar atelectasis , as well as a more linear area of atelectasis in the posterior left lower lobe . A pleural effusion is present on the left . The heart size is top normal , with median sternotomy wires and mediastinal clips , unchanged from the prior study . Peribronchial cuffing and bilateral interstitial prominence is increased since the prior study , compatible with mild pulmonary edema . No focal consolidation concerning for pneumonia is identified . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with mild pulmonary edema and left pleural effusion .