Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Evaluation is limited as the patient 's chin obscures the left lung apex and superior mediastinum . The lungs appear clear without focal consolidation , effusion or pneumothorax . No edema . Cardiomediastinal silhouette appears stable . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Limited , negative .