Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . The lungs are clear . There is no pneumothorax or effusion . Cardiomediastinal silhouette is within normal limits noting prosthetic valve and median sternotomy wires . Osseous and soft tissue structure is notable for mild wedge deformity at mid thoracic spine and hypertrophic changes .
    OUTPUT:
    
No definite acute cardiopulmonary process . Mild anterior wedge deformity of mid thoracic spine age indeterminant , potentially old although no priors available for comparison .