Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Technique and low lung volumes result in exaggeration of the cardiomediastinal contours . Aortic knob calcifications are noted . The hila are unremarkable . There is no pneumothorax or large pleural effusion . Mild pulmonary edema is present . Left retrocardiac atelectasis is present . There is no focal consolidation concerning for pneumonia .
    OUTPUT:
    
Lung volumes with mild pulmonary edema . No focal consolidation .