Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest when compared to the prior study demonstrates unchanged monitoring and support devices . Heart size is enlarged and stable . Lung volumes are slightly decreased with continued perihilar opacities and mild pulmonary edema . There is a focus of new opacification at the right upper lobe which may be an artifact of patient positioning . Moderate right pleural effusion . No pneumothorax .
    OUTPUT:
    
Continued perihilar and bibasilar opacities concerning for aspiration and mild pulmonary edema . 2 . Right apical opacity which may be an artifact of patient positioning . Recommend repeat radiograph with patient upright , if possible .