Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No displaced rib fracture is seen , however this study is not tailored to evaluate for subtle rib fractures . The lungs are clear . There is mild cardiomegaly . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Mild cardiomegaly . No acute fracture seen .