Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left base atelectasis is seen , less likely focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are grossly stable with the cardiac silhouette enlarged . Mediastinal contours are stable . No pulmonary edema is seen .
    OUTPUT:
    
Left base atelectasis . No definite new focal consolidation .