Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild basilar atelectasis is seen without definite focal consolidation . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . No pneumothorax , pulmonary edema , pleural effusion , or pneumonia .
    OUTPUT:
    
Mild basilar atelectasis . No definite focal consolidation .