Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates interval intubation with the endotracheal tube terminating in the right mainstem bronchus . Sternal wires are again noted , with fracturing of the superior wire unchanged since the day prior , but new since ___ . There is improvement of pulmonary edema , now minimal . No definite focal consolidation , effusion , or pneumothorax is appreciated . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Right mainstem bronchus intubation . Improved pulmonary edema .