Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An accessed double - lumen chest port is present with its tip in the superior right atrium . The heart size is within normal limits , as are the mediastinal contours . The lung volumes are low and patchy reticular opacities are present throughout . Compared to the prior radiograph , the extent and distribution of the interstitial markings has decreased ; however , there is still a small pleural effusion on the right , tracking up into the major fissure . There is no pneumothorax . Below the diaphragm , a prominent gastric bubble is present .
    OUTPUT:
    
Diffuse reticular / interstitial lung markings reflective of an underlying interstitial lung disease with probable improvement of pulmonary edema ; continued small right pleural effusion ; distended stomach .