Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient positioning obscure sevaluation of the lung apices . A new nasogastric tube terminates in the stomach . There is no significant pleural effusion or pneumothorax . Lung volumes remain low . There is increased right lower lobe opacity , with air bronchograms . Heart size is normal .
    OUTPUT:
    
1 . Nasogastric tube in standard position . 2 . Apparent right lower lobe opacity could represent aspiration .