Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left Port - A - Cath is stable in position , terminating in the SVC . The cardiac silhouette is stable in size . There are coarse bronchovascular markings without focal consolidation , pleural effusion or pneumothorax . No overt pulmonary edema is seen . Chronic bilateral rib deformities are noted , and degenerative changes of the thoracic spine are seen .
    OUTPUT:
    
No acute cardiopulmonary process .