Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate slightly low lung volumes resulting in exaggeration of the cardiac silhouette and bronchovascular crowding . Allowing for this , heart size is top - normal to mildly enlarged in size . There is mild vascular congestion and pulmonary edema . There is no appreciable pleural effusion or pneumothorax . No focal consolidation is identified . A mildly elevated left hemidiaphragm is similar appearance compared to multiple chest radiographs dating back to ___ .
    OUTPUT:
    
Mild vascular congestion and pulmonary edema . No focal consolidation identified .