tumors

Fibrosarcomas are malignant tumors of fibroblasts. Fibroblasts are cells within the dermis of the skin that produce the collagen in connective tissue. These tumors are locally invasive, often recur locally, and have a tendency to spread to other parts of the body (metastasize). Metastasis often occurs weeks to months following surgical removal. Fibrosarcomas are hard to control through surgery even when ancillary therapy like chemo or radiation is employed.