What Is the Most Important Prognostic Factor for Osteosarcoma

question 2

Multiple Choice

What is the most important prognostic factor for osteosarcoma?

• A) site of primary tumor
• B) age of patient at diagnosis
• C) presence of metastatic disease
• D) performance status

---

Definitions:

Shopkeeper

A retail merchant or owner of a small store.

Haggling Customer

A customer who actively negotiates prices with sellers, aiming to secure goods or services for less than the listed price.

Simultaneous Move Game

A strategic situation in which each player makes their decision without knowing the decisions of other players at the same time.

Union

is an organized association of workers formed to protect and advance their rights and interests; typically involved in negotiating wages, work conditions, and other employment terms.