Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . The lungs are fully expanded and clear . The heart is mildly enlarged . There is enlargement of the bilateral hila secdonary to dilated pulmonary arteries . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No suspicious lung lesion . 2 . Mild cardiomegaly . Dilated bilateral pulmonary arteries , likely reflective of underlying pulmonary hypertension .