The diagnosis should be differentiated with benign lymphoepithelioma, metastasis or infiltrated poorly differentiated squamous cell carcinoma and malignant lymphoma.
The growth,infiltration and metastasis of oncoma depend on tumor angiogenesis.Vascular endothelial growth factor(VEGF)is the most important irritant factor of angiogenesis.
The incidence of umbilicated indentation in astrocytoma, cerebral metastases and brain abscess was nearly the same, showing no value in qualitative diagnosis.
In the patients with malignant neoplasms, exitsmce of chromosome aberration predicted highly malignant in terms of cither clinical metastasis or pathological grading.
Conclusion Clinical stage, Lymphangial vascular invasion, histological grade, myometrium invasion are the main clinical pathology related with lymph node metastases from cervical cancer.
The prognosis of malignant mixed tumor is poor due to local recurrence and distant metastasis in half of these patients via hemtogenous and lymphogenous spread-ings.
In order to study the role of bone sialoprotein(BSP) in the metastasis of breast cancer cells to bones,a breast cancer cell line stably expressing BSP should be established.
Herein, we present an extremely rare case of rectal ameboma associated with amebic liver abscess, which can only be distinguished with great care from rectal cancer with liver metastasis.
Through a process called metastasis a malignant tumor's cells will eventually break off, travel throughout the body, and begin forming tumors in other regions.
One relatively unique feature is that they metastasize through the cerebrospinal fluid in a process called drop metastasis where the tumor spreads to the base of the spine.
And then the scary idea hit my head was, could we as physicians and the National Cancer Institute be inadvertently responsible for creating metastasis?
Following imaging studies, esophageal cancer is staged according to the TNM system, where T means tumor size and local extension, N stands for lymph node metastases and M stands for distant metastases.
Tumor biopsies are done to figure out whether a growth is benign or malignant, and imaging with a CT or MRI scan can be done to look for evidence of metastasis.
If the cell growth has the potential to spread to and invade other tissues, called metastasis, it's known as a malignant tumor, and is also more commonly known as a cancer.
Malignant tumor cells can get into nearby blood or lymph vessels, and travel from the primary site to establish a secondary site of tumor growth somewhere else in the body - and that's called metastasis.
An intriguing finding is the observation that MSCs can contribute to the formation of stroma in solid tumors and tumor metastases and that they can deliver therapeutic genes such as interferon and induce tumor regressions.
巴结转移的影响也不同。
普（视频版） 
白血病，肝
及听力损害等严重化疗毒性反应者。
,血
，即M1，那么不管T和N的亚分期如何，该肿瘤都将被认为是IV期。
。
脊髓底部。
