Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is the left subclavian central line with tip over proximal / mid SVC . No pneumothorax detected . Again seen is cardiomegaly , with a calcified unfolded aorta and mild prominence of both hila with a tapered appearance . Inspiratory volumes are slightly improved . There is continued upper zone redistribution , vascular plethora , and mild vascular blurring , consistent with CHF and interstitial edema , which may also be very slightly improved . Faint hazy opacity in the left perihilar / infrahilar and right infrahilar area is noted , question reflecting CHF . Again seen is in is retrocardiac opacity . This appears more pronounced and there has been interval obscuration left hemidiaphragm , consistent with progressive left lower lobe collapse and / or consolidation . This possibility of a small left effusion can not be excluded . At the extreme edge of these films , fusion / fixation hardware is noted in the cervical spine .
    OUTPUT:
    
Cardiomegaly and CHF , similar , possibly slightly improved compared with ___ . Progressive left lower lobe collapse and / or consolidation , with new obscuration of left hemidiaphragm . This appears includes the possibility of an associated left lower lobe pneumonic infiltrate Small left pleural effusion can not be excluded .