Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Support lines and tubes are unchanged in position when compared to the prior study . There is a persistent airspace opacity in the right upper lobe , unchanged compared to the prior study . The right apical pneumothorax is not definitely visualized on today 's study . Certainly this has not significantly increased . There is a small left pleural effusion , similar when compared to the prior study . Mild prominence of the pulmonary vasculature and mild cardiomegaly is consistent with mild congestive heart failure .
    OUTPUT:
    
No significant interval change when compared to the prior study . The previously seen right apical pneumothorax is not clearly visualized on today 's study .