Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slight interval improvement in patchy opacity at medial right lung base otherwise , no significant interval change . Again seen is patchy retrocardiac opacity with lateralization of the left hemidiaphragm , compatible with left lower lobe collapse and / or consolidation and small left effusion . Hazy opacity at the right lung base laterally could reflect a small right effusion . There is upper zone redistribution and vascular plethora compatible with CHF . No new infiltrate identified . The ET tube tip lies 3 .5 cm above the carina . NG tube tip extends beneath the diaphragm , off film . Again seen is a right IJ line , tip over distal SVC . No pneumothorax detected .
    OUTPUT:
    
Slight interval improvement in patchy opacity at medial right lung base otherwise , no significant interval change .