Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , there is continued right upper lobe volume loss with increased opacification , consistent with superimposed pneumonia . A left - sided pacemaker is in place . The left hemidiaphragm is obscured , suggesting substantial left lower lobe volume loss . There is no pneumothorax . Cardiac and mediastinal contours are stable .
    OUTPUT:
    
1 . Interval increase in the right upper lobe opacification within an area of volume loss . Followup imaging to resolution is recommended in ___ weeks .