Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there has been development of hazy opacification of the right base , likely a small pleural effusion . Atelectasis is seen in the right lower and left lower lobes . There is mild prominence of the pulmonary vasculature and bronchial cuffing , suggestive of early CHF . Mild cardiomegaly which is unchanged . An NG tube is seen with the tip within the stomach .
    OUTPUT:
    
1 . Small right pleural effusion and bibasilar atelectasis . 2 . Possible early CHF .