Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart demonstrates mild cardiomegaly . Midline sternotomy wires are unchanged as is a prosthetic aortic valve . The mediastinal contours demonstrate mildly tortuous course of the aorta but no evidence of aneurysmal dilatation . The lungs show right basal atelectasis as well as developing consolidations in the right middle and left lower lobes . Small bilateral pleural effusions are present .
    OUTPUT:
    
Right middle lobe and left lower lobe consolidations concerning for pneumonia ; small bilateral pleural effusions .