The positive rates of cyclin D1 and P21 in human lung carcinoma were 66.4%(29/48) and 27.8%(19/48), respectively, and the expression was not related to cell type or clinical TNM stage.

• CyclinD1和P2 1 WAF1/CIP1蛋白表达与肿瘤的病理类型和临床TNM分期无关 ;