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Tumors are often placed under one of two categories; malignant or benign. Malignant tumors are cancerous and benign tumors are non-cancerous.
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| ELSI breast tumor (http://www.lbl.gov/Education/ELSI/cancer-tumor.html) |
Benign Tumors
- no anaplasia
- noninvasive
- encapsulated
- slow growing no metastases
- highly differentiated
- mitoses rare
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| ELSI brain tumor (http://www.lbl.gov/Education/ELSI/cancer-tumors.html) |
Malignant Tumors
- anaplastic
- metastasizing
- nonencapsulated
- invasive
- tendency toward de-differentiation
- mitoses relatively common
- usually rapid growth
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| An animation of carcinogenesis. |
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