Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright frontal chest radiograph demonstrates low lung volumes with bibasilar atelectasis . Cardiomediastinal contour is unremarkable . No discrete area of consolidation is identified . There is no pleural effusion and no pneumothorax . NG tube tip projects in the stomach , side port likely near GE junction , should be advanced for optimal positioning .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . NG tube side port likely at the GE junction , consider advancing for optimal positioning