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pubmed:abstractText |
Even when they are analogous in microscopic and macroscopic appearance, tumors vary in their response rates to radiotherapy. Cell culture and xenograft experiments with colorectal cell lines have demonstrated that wild-type p53 increases radiosensitivity. Hence, the authors investigated, in a well-defined population of patients treated at the same institution, whether p53 status was a prognostic factor in preoperatively irradiated rectal carcinoma patients.
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