Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs appear clear bilaterally without focal consolidation , effusion , pneumothorax . The heart size is normal . Mediastinal contour is normal . No pleural effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .