Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exams from ___ and ___ . Again seen are indistinct pulmonary vascular markings . There is no effusion . Cardiac silhouette is enlarged but unchanged . No acute osseous abnormality is detected .
    OUTPUT:
    
Mild pulmonary edema without superimposed acute consolidation .