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消化道肿瘤是我国最常见的恶性肿瘤之一,肿瘤的转移与预后密切相关。微转移的存在提示肿瘤已不再局限于原发灶,有发展为远处转移的可能。及时发现微转移不仅对胃肠道肿瘤的复发和预后的判断有重要意义,而且对消化道肿瘤的分期和指导临床治疗亦有重要价值[1,2]。我们观察了参一
Gastrointestinal cancer is one of the most common malignant tumors in our country. The metastasis of the tumor is closely related to the prognosis. The existence of micrometastasis suggests that the tumor is no longer confined to the primary tumor and may develop the possibility of distant metastasis. Timely discovery of micrometastasis not only has important significance for the diagnosis of gastrointestinal cancer recurrence and prognosis, but also has important value in staging and guiding clinical treatment of gastrointestinal tumors [1,2]. We observed one