Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter tip is in unchanged position . Left PICC tip terminates in the upper SVC . Lung volumes are lower than on the prior study . Heart size is top - normal . Mediastinal and hilar contours are unchanged . There is mild pulmonary vascular congestion without overt pulmonary edema . Patchy ill - defined opacities are noted in the lung bases concerning for infection . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Lower lung volumes with patchy bibasilar airspace opacities concerning for infection . Mild pulmonary vascular congestion without overt pulmonary edema .