Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Persistent , although mildly improved , airspace consolidation is seen in the right upper and middle lobes . There is no new focal consolidation . A small right pleural effusion is noted on the lateral view . No pneumothorax is detected . The cardiomediastinal contours are within normal limits and unchanged . A left Port - A - Cath is in similar position with the tip terminating in the low SVC .
    OUTPUT:
    
Persistent right upper and middle lobe opacities , mildly improved from ___ , likely represent infiltrative tumor though a superimposed pneumonia can not be excluded . Minimal right pleural effusion .