Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral bands of plate - like atelectasis or scarring . Configuration of left upper mediastinum suggests persistence of left - sided SVC which is generally not clinically significant . No pleural effusion , pneumothorax or pulmonary edema . The heart size and hila are normal . No bony abnormality .
    OUTPUT:
    
Bilateral bands of plate - like atelectasis or scarring . No pneumonia or pleural effusion .