Lung cancer metastasis to lymph nodes is lymph node cancer

Lung cancer metastasis to lymph nodes, and lymphatic cancer is not the same thing, there are essential differences between the two. Lung cancer metastasis to lymph nodes, lymph nodes cancer cells are due to lung cancer metastasis. Lymphoma is derived from the lymphatic hematopoietic system malignant tumor, pathological classification is not the same.