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1. What is the difference between a benign and malignant tumor? What is the lymphatic system?...



1. What is the difference between a benign and malignant tumor? What is the lymphatic system? Why are malignant tumors dangerous in the lymphatic system? How does cancer spread?

2. Define: Carcinoma; Sarcoma; Lymphoma; and Leukemia? Which one is most prevalent?

3. List and describe common cancers-general facts/incidence rates, their risk factors, signs and symptoms, treatments, five-year relative survival rate, and approaches to prevention?

4. What does the acronym CAUTION stand for and how does it relate to selfassessment of cancer?

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Benign tumors are localized capsulated with well defined boundries while malignant tumor are uncircumscribed widespreading and non encapsulate tumor which show metastaisi.

Lymphatic system is system connecting lymphnodes which carry lymph in it vessels.

The malignant tumor can spread by lymphatic systm to distant route by the vessels . The spread of tumor ovcur by direct contact or by lymphatic mean and the tumor can move to distant organ by the mean.

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