Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest . The lungs are clear without focal opacity , pleural effusion or pneumothorax . There is borderline cardiomegaly . The aorta is tortuous . There is no free air beneath the hemidiaphragms . No acute osseous abnormality is identified
    OUTPUT:
    
No focal opacity concerning for pneumonia .