Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear and well expanded . No pleural abnormality is seen . The hilar and mediastinal silhouettes are unremarkable . Increased density along the right heart border corresponds with patulous esophagus better seen on same - day CT abdomen pelvis . No free air under the right hemidiaphragm is seen .
    OUTPUT:
    
No acute cardiopulmonary process .