Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . No evidence of free air is seen beneath the diaphragm . However , there is right base opacity that could be due to infection , aspiration , or metastatic disease . There is also patchy left mid lung opacity , increased since the prior study . Recommend followup to resolution . Left - sided port is again seen , terminating in the right atrium . No pleural effusion or pneumothorax . The cardiac silhouette is not enlarged . There is slight prominence of the ascending aorta , as seen on prior chest CT .
    OUTPUT:
    
1 . No evidence of free air beneath the diaphragms . 2 . Patchy right base opacity and left mid lung opacification could be due to multifocal infection , aspiration or malignant process not excluded . Recommend followup to resolution . 3 . Prominence of the right mediastinum is similar compared to ___ scout image from CT , which may in part relate to prominent ascending aorta . Continue follow - up .