Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is hazy opacity projecting over the right mid to upper lung , in the distribution of ground - glass opacities on prior CT scan . There is also increased opacity on the lateral view over the lower spine new since prior lateral chest x-ray from ___ potentially due to similar process . There is no effusion . Right PICC is no longer visualized . The cardiomediastinal silhouette is stable , aortic valve replacement and median sternotomy wires again noted . Atherosclerotic calcifications are seen at the aortic arch . No acute osseous abnormalities identified .
    OUTPUT:
    
Hazy opacities projecting over the right mid to upper lung and over the lower lobes on the lateral view . This could be due to similar process as on prior including infection or potentially aspiration . Followup will be necessary .