Which of the following descriptions about the specimen is incorrect?[img=1681x588]17de86a50e22d29.jpg[/img] A: The left picture shows that tumor has a clear border. B: The right picture shows that all the glands are mainly regular. C: It is more likely to be a benign tumor. D: It is more likely to be a malignant tumor.

Which of the following statement about the specimen is incorrect?[img=604x463]1803a03821fc0b0.jpg[/img] A: It’s serous epithelial tumor. B: The cystic spaces are divided by multiple septa into multiloculated masses. C: The tumor is the most common ovarian epithelial tumors. D: The tumor consists of mucin-secreting cells.

Which of the following statement about the specimen is incorrect?[img=604x463]180331e07c77358.jpg[/img] A: It’s serous epithelial tumor. B: The cystic spaces are divided by multiple septa into multiloculated masses. C: The tumor is the most common ovarian epithelial tumors. D: The tumor consists of mucin-secreting cells.

Which of the following descriptions about the specimen is incorrect?[img=786x530]1803c38d86b0179.jpg[/img] A: This picture shows the microscopic features of a benign tumor. B: These tumor cells have cellular and nuclear variation in size and shape. C: The blue arrows show that the ratio of nuclei-cytoplasm in tumor cells is higher than it of normal cells. D: The red arrow shows an abnormal tripolar spindle, an indicator of cellular atypia.

Gestational choriocarcinoma is a lowly invasive tumor.

Gestational choriocarcinoma is a highly invasive and frequently metastatic tumor.

____tumor (良性肿瘤)

tumor 译成：

____ tumor(良性肿瘤)

Which is not the important tumor markers for diagnosis of<br/>gastrointestinal tumor? A: PSA B: CA 19-9 C: CEA D: CA72-4