Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The small right apical pneumothorax was noted on yesterday 's CXR has expanded from 22 mm to 27 mm today . No evidence of tension . Postoperative right upper lobe hematoma has largely resolved . However , there is a new parenchymal opacity in the right mid-lung zone , of unclear significance . There is left lower lobe atelectasis . The right - sided port and right chest tube are unchanged in position . Stable cardiomediastinal silhouette . No acute osseous abnormalities .
    OUTPUT:
    
1 . Interval worsening of small right apical pneumothorax . 2 . New right mid-lung opacity . Differential is broad , including partial collapse vs . infection vs . new hematoma . Recommend close attention on follow - up imaging .