Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph demonstrates low lung volumes and perihilar vascular engorgement . A left - sided Port - A - Cath is in stable position . The cardiomediastinal silhouette is normal . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Mild pulmonary vascular congestion without signs of overt edema . No pleural effusion .