The cause of disease pathology of tumor

(A)cause of disease

Outside source cancer-causing factor and inside source factor for urging a cancer synthesize the result of function.

1.The outside is cancer-causing because of including chemistry, physics and living creature factor and various chronic incitement etc..

2.Inside lower because of pointing the machine body anti- tumor ability and various human body with is advantageous to a cancer-causing factor to rise a function inside condition.The latter often involves sex, age, race and inherit factor, and endocrine mess...etc..

(Two)pathology

The malignant tumor is easy to shed off to spread to the distance, the formation transfers.The familiar proliferation path has:

1.Directly spread;

2.Lymphoid transfer;

3.The blood line transfers;

4.Plant to transfer.The benign tumor grows slowly and endanger small, don't transfer.