AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a cancerous tumor has not spread and is only found in the place of origin it could be referred to as:
A
Metastatic
B
Invasive
C
In situ
D
Benign
Explanation: 

Detailed explanation-1: -A condition in which abnormal cells that look like cancer cells under a microscope are found only in the place where they first formed and haven’t spread to nearby tissue. At some point, these cells may become cancerous and spread into nearby normal tissue.

Detailed explanation-2: -Stage 0. This stage describes cancer in situ. In situ means “in place.” Stage 0 cancers are still located in the place they started.

Detailed explanation-3: -Noninvasive cancer is a type of cancer that has not spread past the tissue in which it first developed. Several cancers can first appear as noninvasive.

Detailed explanation-4: -(in SY-too) In its original place. For example, in carcinoma in situ, abnormal cells are found only in the place where they first formed. They have not spread.

Detailed explanation-5: -Overview. Carcinoma in situ is a type of cancer that occurs when the cancerous cells have not spread beyond the original site of cancer (non-invasive cancer). Carcinoma in situ is also known as stage 0 disease. Carcinoma in situ can occur in different areas throughout the body.

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