Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There has been an interval slight increase in opacification in the right lower lobe compared to the prior study . No other new focal consolidations are seen . There is evidence of slight bilateral vascular engorgement , without evidence of frank interstitial edema . Areas of atelectasis in the retrocardiac lung regions as well as minimal blunting of the left constphrenic sinus persist in an unchanged manner . There is stable moderate cardiomegaly . There is a right - sided Port - A - Cath and a right - sided PICC line which terminates in the superior SVC . There is no pneumothorax .
    OUTPUT:
    
New slight increase in opacification in the right lower lobe may be secondary to pneumonia in the appropriate clinical setting .