Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pulmonary edema . No consolidation , large pleural effusion , or pneumothorax is identified . Cardiac silhouette is mildly enlarged . Lung volume is low . Left hemidiaphragm appears less sharp than on the prior study of ___
    OUTPUT:
    
Loss of sharp definition of left hemidiaphragm contour , potentially due to early consolidation or small pleural effusion . If clinical suspicion for pneumonia remains high , consider obtaining PA and lateral chest radiograph for further evaluation .