Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is unchanged in position compared to the prior study . Unchanged moderate cardiomegaly with prominence of the bilateral hila , prominence of the upper lobe pulmonary vascular also noted consistent with congestive heart failure . There is an airspace opacity in the right lung base potentially reflecting pulmonary edema versus infection . No pleural effusion seen .
    OUTPUT:
    
Findings consistent with congestive heart failure , no overt pulmonary edema however a new airspace opacity at the right lung base may reflect developing pulmonary edema versus infection .