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The aim of this study is to establish large tissue sections for 10 kinds of tumors. in order to observe the tumor landscape on microscope. The tumors including esophageal carcinoma,gastric carcinoma,hepatocellular carcinoma etc.200 cases of each tumor will be compared by traditional sample method and landscape sample method to testify the clinical value and significance of tumor landscape pathological diagnosis .
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patients undergoing preoperative chemotherapy or radiotherapy
2,000 participants in 20 patient groups
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Data sourced from clinicaltrials.gov
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