7. Metastasis a. Initial routes of metastasis i. Lymphatic spread is the most common route of spread for epithelial carcinomas ii. Hematogenous spread

• Most sarcomas

• Renal cell carcinoma

• Hepatocellular carcinoma

• Follicular carcinoma of the thyroid

• Choriocarcinoma iii. Seeding of body cavities and surfaces, as in ovarian carcinoma iv. Transplantation via mechanical manipulation (e.g., surgical incision, needle tracts) may occur but is relatively rare

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Naturally Cure Your Headaches

Are Headaches Taking Your Life Hostage and Preventing You From Living to Your Fullest Potential? Are you tired of being given the run around by doctors who tell you that your headaches or migraines are psychological or that they have no cause that can be treated? Are you sick of calling in sick because you woke up with a headache so bad that you can barely think or see straight?

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