Tumor Cells Metastasize from Lymph Nodes.
Two mouse studies have found that tumor cells can metastasize via the lymph nodes. One study demonstrated that cancer cells from lymph-node metastases accounted for most cells in lung metastases. The other study found that tumor cells can spread from the lymph nodes to the lungs by entering the bloodstream.
A case of a patient with a malignant thymoma who developed an unusual form of colitis is reported. The patient was a previously healthy 20-year-old man who was referred to the Johns Hopkins Medical Institution for biopsy and resection of a mediastinal mass, which proved to be a malignant thymoma. Du