Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are multifocal parenchymal opacities , worrisome for pneumonia . Additionally , interstitial opacities raise the possibility of mild volume overload , however , full evaluation is limited by lung low volumes . Heart is top normal but unchanged . No pleural effusion or pneumothorax . Hardware is seen in the right humerus .
    OUTPUT:
    
Multiple parenchymal opacities are worrisome for multifocal pneumonia . Difficult to exclude a component of mild congestion .