Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary vascular congestion and edema . Left lower lung atelectasis with slight elevation of the left hemidiaphragm . Cardiomegaly is mild . No pneumothorax or focal consolidation . No acute osseous abnormality .
    OUTPUT:
    
1 . Mild - to - moderate pulmonary vascular congestion . 2 . No focal pneumonia .