Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are hyperinflated though appear clear without focal consolidation , large effusion , pneumothorax or signs of edema / congestion . Cardiomediastinal silhouette is unchanged with atherosclerotic calcifications along the aortic knob . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .