When cancer spreads to regional lymph nodes and distant organs, it is called?

Appeared in: MP CHO -2021 (Shift 1st)

Explanation

The term for cancer that has spread from its original location to other parts of the body, such as lymph nodes or distant organs, is a secondary tumor.
This process of spreading is called metastasis.
A secondary tumor is composed of the same type of cancer cells as the primary tumor.
For example, breast cancer that spreads to the bones is called metastatic breast cancer, and the tumor in the bone is a secondary tumor.

Option A: A primary tumor is the original site where cancer first develops. The question asks about the spread of cancer, not its origin.
Option C: Lymphoma is a type of cancer that specifically originates in the lymphatic system itself. It is not a general term for the spread of other cancers to lymph nodes.
Option D: Leukemia is a cancer of blood-forming tissues, like bone marrow. It is a distinct type of cancer and not a term for the spread of solid tumors.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Cancer Metastasis Terminology as background academic context rather than a clinical decision trigger.
Understanding the difference between primary and secondary tumors is fundamental for cancer staging, which dictates treatment plans and prognosis.
The presence of secondary tumors (metastasis) usually indicates a more advanced stage of cancer (Stage IV), often requiring systemic treatments like chemotherapy or immunotherapy rather than just local treatments like surgery.
What if? If a patient's cancer is localized to the primary tumor with no spread to lymph nodes or distant organs (M0 in TNM staging), the prognosis is generally much better, and the treatment might be curative with surgery or radiation alone.

How to Approach the Question

First, identify the key action in the question stem, which is 'spreads to regional lymph nodes and distant organs'.
Recognize that this process is known as metastasis.
Evaluate the options. A 'primary tumor' is the origin, not the spread.
'Lymphoma' and 'Leukemia' are specific types of cancer, not general terms for the process of spreading.
Conclude that a 'secondary tumor' is the correct term for a new tumor formed as a result of cancer spreading.

Concept Tested & Keywords

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E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 281-283

E6 PATHOLOGY QUICK REVIEWBased on Harsh Mohan Textbook of PATHOLOGY p. 60-62

Practise the full MP CHO -2021 (Shift 1st)

Attempt every question from this paper in a timed mock, then review the full solution for each one.