Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Rotated positioning . Compared with ___ , allowing for technical differences , there has been improvement in the vascular and CHF findings . Lungs are hyperinflated and the diaphragms are flattened , consistent with COPD . There is mild - to - moderate cardiomegaly . There is aneurysmal dilatation of the aortic arch , measuring up to 6 .1 cm on the lateral view . There is increased density in the left lower lobe which may represent a combination of atelectasis and changes in opacity related to the vascular findings .
    OUTPUT:
    
1 . Please see detailed report of chest CTA from ___ describing extensive vascular abnormalities , right lung apex spiculated nodule and upper mediastinal lymph node . 2 . No CHF or effusion is identified . Doubt infectious consolidation . Please see comment above .