Objective: To explore the clinicopathological feature, diagnosis and differential diagnosis of the primary central nervous system malignant lymphoma (PCNS-ML).
目的：探讨原发性中枢神经系统恶性肿瘤的临床病理特点、诊断及鉴别诊断。
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The present study established an improved correction method for using a PAS to assess the distribution of PCNs in the eastern Pearl River Delta (PRD), South China.