Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . An imbedded electronic device projects over the low back . There is no focal consolidation , effusion , or pneumothorax . Heart size is normal . Mediastinal contour is unremarkable aside from atherosclerotic calcifications at the aortic knob . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .