Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are decreased with resultant accentuation of the cardiomediastinal silhouette . In this setting , slightly increased opacification of the left lung base most likely reflects atelectasis . There is mild interstitial pulmonary edema . No pleural effusion or pneumothorax . No convincing evidence of pneumonia . A right Port - A - Cath terminates in the proximal right atrium . No acute osseous abnormality is detected .
    OUTPUT:
    
Low lung volumes with mild interstitial pulmonary edema .