Although lipomas are considered as distinct from fibrosarcomas they do share something common with fibromas. Lipoma is a benign tumor of the fat tissue and fibroma is a benign tumor of the connective tissue. Fibrosarcoma is the malignant form of fibroma.
I find it interesting that a vaccine may induce a fibrosarcoma! :shock:
FIBROMA / FIBROSARCOMA
Fibromas exfoliate poorly and few cells will be on the slide. ...