Task: Answer Verification
Input (English): Question: Is fDG-PET assessment of rectal cancer response to neoadjuvant chemoradiotherapy associated with long-term prognosis : a prospective evaluation?
Answer: Assessment of rectal cancer response to neoadjuvant chemoradiotherapy by FDG-PET provides no prognostic information. Therefore, serial FDG-PET before and after neoadjuvant chemoradiotherapy should not be performed for this purpose.
Output (English): no