Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are somewhat low though allowing for this , the lungs are clear . No signs of pneumonia or edema . No large effusion or pneumothorax . Heart and mediastinal contours are unchanged . Bony structures are intact .
    OUTPUT:
    
No pneumonia or other acute intrathoracic process .