Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear of consolidation , effusion , or pulmonary vascular congestion . Ddense calcifications projecting in the subcarinal region on the frontal which are not confirmed on the lateral and could potentially be external . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .