Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to ___ . The lungs are clear . Cardiomediastinal silhouette is stable . Prominence of the upper mediastinum is compatible with prominent mediastinal fat seen on CT chest from ___ . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .