Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Lower lung volumes seen on the current exam . Streaky predominantly right - sided mid and lower lung opacities are seen , most likely due to atelectasis . The lungs are otherwise clear . Please note the patient 's arms are partly obscuring the visualization of the lungs on the lateral view . The cardiomediastinal silhouette is stable . Median sternotomy wires again noted . Degenerative changes at the right shoulder are identified .
    OUTPUT:
    
No definite acute cardiopulmonary process .