Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously reported right lower lobe pneumonia on ___ chest radiograph has resolved . Lungs are currently clear . Heart is upper limits of normal in size in the aorta is mildly tortuous . No pleural effusion , pneumothorax , or acute skeletal abnormality .
    OUTPUT:
    
No radiographic evidence of pneumonia .