Oncopathology is important to identify and differentiate a tumor or a body tissue from malignant to non malignant. This can help doctors understand the situation better and devise a treatment accordingly.
No, It does not mean that. It is just a safe check which lets the doctor understand the nature of the tumor or cell.
Oncopathology is a science that deals with studying a tumor and determining its cancerous levels. It subdivides into various other tests which are services.