Qizhu Yuling prescription in the prevention of postoperative metastasis and recurrence of esophagus cancer: study protocol for a randomized, double-blind, placebo-controlled, multicenter clinical trial
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Background: Esophageal cancer (EC) is a malignant tumor with a high recurrence and metastasis rate and poor prognosis. In 2024, China ranked first in the world in terms of new EC cases and deaths. Surgery is the main treatment me... ...
