Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right port - a-cath ends in the high right atrium , as before . An enteric catheter courses below the level of the diaphragm , ending in the upper stomach , although the side hole is in the region of the gastroesophageal junction , not significantly changed . Lung volumes remain very low , slightly decreased compared to the prior study . In addition to the known bilateral chronic interstitial abnormality , there are increasing reticular opacities throughout both lungs , particularly when compared to the prior radiograph from ___ , concerning for mild interstitial pulmonary edema versus an atypical infectious process . The heart size is normal . The mediastinal contours are normal . A small right pleural effusion is likely present , unchanged . There is no definite left pleural effusion . No pneumothorax .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema versus atypical infectious process . Background chronic interstitial abnormality . 2 . Enteric catheter continues to end in the upper stomach with its sidehole at the level of the gastroesophageal junction . Advancement recommended . 3 . Small right pleural effusion , not significantly changed . Findings were discussed with Dr . ___ by Dr . ___ at 10 :42 a .m . via telephone on the day of the study .