Difference between revisions of "Cancer staging systems"
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===Tumour stage=== | ===Tumour stage=== | ||
Usually determined by one of the following: | |||
#Size of the tumour (maximal dimension). | |||
#Depth of invasion. | |||
Other factors: | |||
*[[Lymphovascular invasion]] usually does not affect the tumour stage. | *[[Lymphovascular invasion]] usually does not affect the tumour stage. | ||
**Exceptions: | **Exceptions: | ||
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***Intrahepatic bile duct carcinoma. | ***Intrahepatic bile duct carcinoma. | ||
***[[Hepatocellular carcinoma]].<ref>URL: [http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/Hepatocellular_11protocol.pdf http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/Hepatocellular_11protocol.pdf]. Accessed on: 6 April 2012.</ref> | ***[[Hepatocellular carcinoma]].<ref>URL: [http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/Hepatocellular_11protocol.pdf http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/Hepatocellular_11protocol.pdf]. Accessed on: 6 April 2012.</ref> | ||
*[[Margin status]] usually does not affect the tumour stage. | |||
**Exception: | |||
***[[Prostate adenocarcinoma]] - bladder neck margin positivity. | |||
===Nodal stage=== | ===Nodal stage=== | ||