Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study the right hemidiaphragm continues to be elevated an aortic continues to be tortuous with mild cardiomegaly . New on today 's study is elevation of the left hemidiaphragm with a small left effusion . Given that there is only a supine portable film , an infiltrate in the left lower lobe can not be excluded .
    OUTPUT:
    
New elevation of the left hemidiaphragm with left effusion . Evaluation for left lower lobe infiltrate is limited on this frontal film