Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are now lower . There is persistent mild pulmonary edema which is unchanged from ___ , but shows considerable improvement from ___ . Linear opacities over the lower lobes as well as obscuration of the diaphragmatic contours indicate persistent bibasilar atelectasis and left greater than right small effusion . Once again , asymmetric heterogeneous opacities , at times with a nodular pattern , are seen in the right upper lobe , raising concern for an infectious process . The cardiomediastinal contours are normal and there is no pneumothorax .
    OUTPUT:
    
1 . Asymmetric nodular opacification of the right upper lobe raises concern for a disseminated infectious process , given the patient 's history of sepsis . If there is such a clinical concern , CT of the chest would facilitate diagnosis . 2 . Mild pulmonary edema has improved from ___ but remains unchanged from yesterday . 3 . Persistent , left greater than right small pleural effusions as well as bilateral lower lobe atelectasis .