Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided Port - A - Cath is in stable position . Low lung volumes are demonstrated , which may accentuate bronchovascular markings . A diffuse interstitial abnormality is present and is increased from the prior examination , consistent with mild pulmonary edema . No pneumothorax or pleural effusion .
    OUTPUT:
    
Diffuse interstitial abnormality is increased from the prior examination and likely reflects mild pulmonary edema .