If Cancer Cells Appear Only at the Original Site and Have

question 90

Multiple Choice

If cancer cells appear only at the original site and have not invaded the organ of origin, it is called:

• A) metastasis.
• B) sentinel node.
• C) CIS.
• D) dedifferentiation.

---

Definitions:

West Antarctica

A region of Antarctica that lies west of the Transantarctic Mountains and includes the Antarctic Peninsula, characterized by its dynamic ice sheets and impact on sea-level rise.

Global Sea Level

The average height of the world's oceans' surface, used as a base for measuring elevations and the varying heights of geological features.

Ice Volume

The total quantity of ice contained within glaciers, ice caps, and ice sheets worldwide.

Seafloor Spreading

The process by which new oceanic crust is created at mid-ocean ridges as tectonic plates diverge, leading to the gradual widening of an ocean basin.