Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Patient 's thoracic kyphosis is accentuated . Within this limitation , the lungs are grossly clear . The cardiomediastinal silhouette is unchanged given differences in positioning . No acute osseous abnormalities detected . No large pleural effusion .
    OUTPUT:
    
No definite acute cardiopulmonary process .