Cancer is a large class of malignant tumors collectively. The occurrence of cancer due to various parts of different pathological differences and the different stages of development, it will produce a variety of clinical manifestations. But the cancer early symptoms are often small, to be gradually developed to a certain stage after the performance of a range of symptoms and signs. Generally be divided into Bureau of cancer treatment clinical manifestations and systemic symptoms of two aspects.
1, local performance:
1, tumor: cancer formed by malignant proliferation may hand in the body surface or deep touch. Thyroid gland, parotid gland, or breast cancer may be relatively shallow parts of the skin touch. Tumor metastasis to the lymph nodes, swollen lymph nodes can lead to some superficial lymph nodes, such as the neck lymph nodes and axillary lymph easy to touch. As for the deeper parts of the body of stomach cancer, pancreatic cancer and so on, will have to be touching the pressing force. Malignant tumors, including cancer, mass rapid growth, the surface is not smooth, hard-driven; benign tumors are generally smooth surface, such as eggs and table tennis as easy as sliding.