Task: Answer Verification
Input (English): Question: Is δNp63 expression a protective factor of progression in clinical high grade T1 bladder cancer?
Answer: ΔNp63 expression is a favorable prognostic factor in clinically high grade T1 bladder cancer. This marker identifies patients at low risk for progression who could benefit from conservative therapy with transurethral bladder tumor resection and bacillus Calmette-Guérin, avoiding over treatment with immediate radical cystectomy.
Output (English): yes