目的：探讨大肠原发性恶性淋巴瘤的临床与病理特点。
Objective: To study the clinical and pathological characteristics of colonic primary malignant lymphoma.
目的探讨大肠原发性恶性淋巴瘤（PCML）的临床表现、内镜特点，提高诊断水平。
Objective To study the clinical manifestations and endoscopic features of primary colorectal malignant lymphoma(PCML), and to improve its diagnostic efficiency.
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