Which cancer most commonly metastasizes to the liver?

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Multiple Choice

Which cancer most commonly metastasizes to the liver?

The main idea is that the liver is a common first stop for cancer cells shed from colorectal tumors because of the portal venous drainage from the GI tract directly into the liver. This route makes colorectal cancer the most frequent source of liver metastases, so it’s the best answer. The liver’s proximity to the colon means tumor cells easily lodge in hepatic sinusoids and establish metastases, often detectable at diagnosis or early in disease course. Other cancers can spread to the liver as well—breast cancer, pancreatic cancer, and lung cancer do metastasize there—but their patterns are not as liver-specific or as common as colorectal cancer’s, making colorectal carcinoma the most likely to metastasize to the liver.

The main idea is that the liver is a common first stop for cancer cells shed from colorectal tumors because of the portal venous drainage from the GI tract directly into the liver. This route makes colorectal cancer the most frequent source of liver metastases, so it’s the best answer. The liver’s proximity to the colon means tumor cells easily lodge in hepatic sinusoids and establish metastases, often detectable at diagnosis or early in disease course. Other cancers can spread to the liver as well—breast cancer, pancreatic cancer, and lung cancer do metastasize there—but their patterns are not as liver-specific or as common as colorectal cancer’s, making colorectal carcinoma the most likely to metastasize to the liver.

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