Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . There is no pulmonary edema . Bilateral hilar prominence , more prominent right than left , is compatible with enlarged pulmonary arteries , as previously described on comparison study . Arthroplasty of the left shoulder is incompletely visualized . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .