Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study of ___ , diffuse bilateral interstitial parenchymal abnormalities are relatively unchanged and remain concerning for multifocal pneumonia . The cardiac and mediastinal contours are stable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Generalized interstitial abnormality , better seen on the recent CT abdomen and pelvis as mass - like areas of consodliation , is relatively unchanged since ___ , and remains concerning for multifocal pneumonia .