Task: Answer Verification
Input (English): Question: Is carbonic anhydrase IX ( CAIX ) an independent predictor of outcome in patients with clear cell renal cell carcinoma ( ccRCC ) after long-term follow-up?
Answer: After additional long-term follow-up of our large cohort, our results continue to suggest that CAIX is not an independent prognostic marker for ccRCC.
Output (English): no