Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared with the immediate prior study , left upper lung aeration has improved and effusion has decreased . There appears to be moderate re-expansion pulmonary edema . The right lung is unchanged , likely with a small pleural effusion . Endotracheal tube is 3 .4 cm from the carotid . A left - sided PICC line ends in the mid SVC . The enteric tube passes beyond the diaphragm outside of the field of view with the decompressed stomach . There is no pneumothorax .
    OUTPUT:
    
Improved left upper lung aeration with moderate re-expansion pulmonary edema .