Topic Explanation
The forum topic discusses the concern of a person with an ileostomy noticing yellow stool output, which could indicate a high concentration of bilirubin and potentially a liver issue. The person is worried that the yellow stools might be a symptom of colorectal cancer spreading to the liver.

Advice and Insights
- Stool color can be affected by diet, but yellow stool may indicate a lack of bile salts related to the liver.
- It's important to consult a doctor and not delay seeking medical attention, especially with a complicated medical history.
- It's advisable to have liver function tests (LFT) and possibly a PET scan to rule out any serious issues.
- The individual should discuss the yellow output with their oncologist and consider additional tests if necessary.
- Yellow output may not always be alarming, and it's essential to have comprehensive blood work done to ease concerns.
- In some cases, yellow or orange output can be normal and not necessarily indicative of a serious problem.
- For individuals experiencing changes in stool output and other symptoms like dehydration and vomiting, seeking advice from a healthcare professional, such as a stoma nurse, is recommended.

Conclusion
The individual underwent tests, including a PET scan and liver function tests, which turned out normal, providing relief and indicating that the yellow output was not a cause for concern.