Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an AICD device with tip terminating over the right ventricle . There are low lung volumes present . The lungs and pleural spaces are clear without evidence of pneumothorax or pleural effusions . Cardiomediastinal silhouette is stable and unchanged . There is no evidence of pneumoperitoneum . Old right ___ and 9th rib deformities are noted .
    OUTPUT:
    
No acute intrathoracic process .