Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates a pleural drain in constant position . There is no pneumothorax . There has been no recurrence of left pleural effusion . Blunting of the right posterior close costophrenic angle is consistent with a small pleural effusion . There is no new focal consolidation . The cardiomediastinal and hilar contours are unchanged in appearance . There is no overt pulmonary edema . A biliary drain and stent is incompletely visualized in the right upper quadrant . When compared to prior films dated ___ , there has been no appreciable radiographic change to explain new tachypnea / tachycardia .
    OUTPUT:
    
No radiographic findings to explain new tachycardia / tachypnea .