QuestionSBA
QuestionChoice
This is incorrect. Colorectal cancer will primarily spread through the portal vein system to the liver.
10027629
d
Endoluminal spread
QuestionChoice
This is correct. Colorectal cancer will primarily spread through the portal vein system to the liver. Veins are more likely to be invaded than arteries as their walls are thinner.
10027626
a
Haematogenously via the portal vein
QuestionChoice
This is incorrect. Colorectal cancer can spread through the lymphatic system but it will cause metastatic deposits in the lymph nodes before reaching the liver.
10027627
b
Lymphatic spread
QuestionChoice
This is incorrect. Transcoelomic spread occurs when the cancer penetrates the surface of the peritoneal cavity and spreads through it. Ovarian tumours are likely to take this route to metastasize to the liver, however colorectal cancer will primarily spread through the portal vein system to the liver.
10027628
c
Transcoelomic spread
QuestionChoice
This is incorrect. Haematogenous spread is the most likely route of metastasis of colorectal cancer to the liver however it would most likely spread via the portal vein.
10027630
e
Haematogenously via the hepatic artery
Concept
Chapter
2693
5992
Routes of Metastasis
Topic
225
Oncology and Palliative Care
17923
A 62 year old female is diagnosed with colorectal cancer and attends the oncology clinic for the results of her most recent CT scan. It is found that her cancer has metastasized to her liver.

By which of the following routes has the cancer spread?
a