Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright frontal and lateral views of the chest show no focal opacity , pulmonary edema , pleural effusion or pneumothorax . The hearts size is top normal . The aorta is ectatic and tortuous . There is no free air beneath the hemidiaphragms . There is no acute osseous abnormality . An electronic device projects over the left anterior chest wall .
    OUTPUT:
    
No focal opacity suggestive of pneumonia .