Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is re- demonstrated . The mediastinal and hilar contours are normal . Pulmonary vasculature is normal . There may be minimal atelectasis in the left lung base , but no focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormalities detected .
    OUTPUT:
    
Probable atelectasis in the left lung base without focal consolidation to suggest pneumonia .