Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left lung base is under penetrated presumed due to patient body habitus . Lung volumes are relatively low . Given the above , no definite focal consolidation is seen . . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . The aorta is slightly tortuous . No overt pulmonary edema is seen .
    OUTPUT:
    
Top - normal to mildly enlarged cardiac silhouette , likely accentuated by AP technique and relatively low lung volumes . No focal consolidation .