Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , heart is increased in size and there is new moderate upper mediastinal widening , likely secondary to patient positioning and AP technique . There is prominence of the azygos vein , which does suggest increased central pressure , without pulmonary edema and Mild right basilar atelectasis persists . Trace left pleural effusion or thickening is unchanged . No appreciable effusion on the right . No focal consolidation . No pneumothoraces .
    OUTPUT:
    
1 . New mediastinal widening with mild increase in heart size , likely reflecting supine positioning and AP technique . Prominent azygos vein , suggestive of increased central pressures . No pulmonary edema . 2 . Persistent trace left pleural effusion or thickening . 3 . Unchanged right basilar atelectasis .