Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiograph demonstrates the right PICC has been removed . Right - sided tunneled dialysis catheter tip terminates in the right atrium . Lung volumes are persistently low with mild pulmonary vascular congestion , interstitial edema and right basilar atelectasis . There is no large pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable . Incidentally noted , the splenic flexure of the colon is dilated , measuring 6 .6 cm .
    OUTPUT:
    
Mild pulmonary edema , worsened compared to ___ .