Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacity projecting over the anterior right seventh rib may relate to the edge of the rib . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The aorta is slightly tortuous and is calcified . The cardiac silhouette is not enlarged . Metallic surgical hardware is partially imaged in the cervical spine . Evidence of underlying pulmonary emphysema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .