单词	preoperative
释义	preoperativepre‧op‧e‧ra‧tive /priˈɒpərətɪv $ -ˈɑːp-/ adjective medical Examples EXAMPLES FROM THE CORPUS After preoperative radiotherapy the percentage of aneuploid tumours decreased significantly, from 71% to 47%. In two randomised prospective studies, however, no advantage of preoperative radiation therapy could be shown. Rigorous control procedures established that it was neither an artefact of nutritional compromise nor of preoperative bowel preparatory protocols. Survival of patients was not improved by preoperative radiotherapy, but was significantly associated with a radical tumour resection. Talking with professionals involved in your care can soothe preoperative jitters. The preoperative radiotherapy did not result in a significant prolongation of survival time. These univariate survival analyses were also separately performed for the group of patients with preoperative radiotherapy and the group with surgery only. This also applied to the subgroup with a curative tumour resection and is in accordance with other studies that used preoperative radiotherapy. relating to the time before a medical operation OPP  post-operative:  the patient’s preoperative assessment
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