Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left subclavian Port -A - Cath is in - situ . The tip terminates in the proximal to mid SVC . The trachea is central . The cardiomediastinal contour is within normal limits allowing for the projection . No consolidation , pneumothorax or pleural effusion seen . No free air under the diaphragm . Deformity of the left fifth rib posteriorly consistent with an old healed fracture
    OUTPUT:
    
No free air under the diaphragm . No significant interval change when compared to the prior study .