Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Patient 's chin overlies the superior mediastinum and kyphotic angulation somewhat limits the evaluation through the lung bases . The lungs appear essentially clear without discrete consolidation , effusion , or pneumothorax . The heart size appears top normal in size though is poorly assessed . The mediastinal contour appears grossly unremarkable allowing for patient 's leftward rotation . No definite fractures are seen .
    OUTPUT:
    
Limited , negative .