Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The cardiac silhouette remains enlarged . Hazy opacity projecting over the left mid - to - lower lung may be due to a small pleural effusion with atelectasis . Underlying consolidation is not excluded in the appropriate clinical setting . Dedicated PA and lateral views would be helpful for further evaluation . The cardiac silhouette remains enlarged . The aortic knob is calcified . No definite pulmonary edema is seen .
    OUTPUT:
    
Ill - defined opacity projecting over the left mid - to - lower lung may be due to pleural effusion with overlying atelectasis , new since the study earlier today ; underlying consolidation not excluded . Cardiomegaly . No definite overt pulmonary edema .