Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 12 :09 are submitted .
    OUTPUT:
    
Cardiac and mediastinal contours remain within normal limits . The lungs appear clear without evidence of focal airspace consolidation , pleural effusions , pulmonary edema or pneumothorax . Given the patient 's ___ pack year smoking history , consideration to lung cancer screening with CT should be considered .