When pepople have liver cancer why dotors cut that part of the out?

Doctors remove part of the liver during liver cancer treatment for several reasons:

1. Surgical Resection: In cases where the cancer is localized and has not spread to other parts of the body, surgical resection may be performed. This involves removing the cancerous portion of the liver while preserving as much healthy liver tissue as possible. By removing the cancerous tissue, doctors aim to eliminate the primary source of the disease and prevent its further growth.

2. Liver Transplantation: Liver transplantation, also known as hepatic transplantation, involves removing the entire diseased liver and replacing it with a healthy liver from a suitable donor. Transplantation is considered when the cancer is extensive or has damaged a large portion of the liver, making it non-functional. A successful liver transplant can provide a complete cure for liver cancer in eligible patients.

3. Tumor Debulking: In some cases, the goal of surgery may be to reduce the tumor burden rather than completely remove the cancer. This is known as tumor debulking. Debulking can help alleviate symptoms caused by the tumor, such as pain, bleeding, or obstruction of bile ducts. It can also make other treatments, such as chemotherapy or radiation therapy, more effective.

4. Diagnosis and Biopsy: During surgery, doctors may collect tissue samples (biopsies) from the liver for diagnostic purposes. These biopsies help confirm the type and stage of liver cancer, which guides subsequent treatment decisions.

It's important to note that the decision to remove part of the liver is made based on various factors, including the extent of the cancer, the patient's overall health, and their suitability for certain treatments. Doctors carefully weigh the risks and benefits of surgery and discuss the treatment options with the patient before making a recommendation.