Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 6 cm above the carina . A left - sided PICC line tip terminates at the level of the mid SVC . The cardiomediastinal and hilar contours are within normal limits . Diffuse parenchymal opacities have improved on current chest x-ray when compared to recent and more remote examinations . There are no new focal consolidations . No pleural effusion or pneumothorax identified .
    OUTPUT:
    
Interval improvement of parenchymal opacities which likely represent a diffuse process potentially infectious in origin and for which etiologies include opportunistic or conventional organisms . No new focal consolidations .