Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is enlarged . Mediastinal contours maybe exaggerated by AP technique . There is mild left base atelectasis without definite focal consolidation . No pleural effusion is seen . There is no overt pulmonary edema . Mild degenerative changes are seen along the spine .
    OUTPUT:
    
Enlarged cardiac silhouette without overt pulmonary edema . No definite focal consolidation seen to suggest pneumonia , likely left basilar atelectasis .