Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A supine frontal chest radiograph demonstrates interval repositioning of the endotracheal tube , which remains within the right mainstem bronchus . There is slightly improved aeration of the left hemithorax , though volume loss and leftward shift of the mediastinum is persistent . Right base consolidation has increased . This could be due to recent aspiration , or developing pneumonia The remainder of the exam is largely unchanged .
    OUTPUT:
    
1 . Persistent right mainstem intubation , with slightly improved aeration of the left hemithorax , although volume loss and leftward shift of the mediastinum is persistent . At the time of this dictation , the tube had already been repositioned . 2 . Worsening right basal consolidation followed for possible aspiration pneumonia .