Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette remains mildly enlarged . Mediastinal contours are unremarkable . There is left basilar atelectasis . Slight blunting of the left costophrenic angle on the frontal view is not substantiated on the lateral view and may be due to atelectasis . No large pleural effusion is seen . There is no pneumothorax . No focal consolidation is seen . Degenerative changes are seen along the spine .
    OUTPUT:
    
Mild cardiomegaly without overt pulmonary edema . No focal consolidation to suggest pneumonia .