**Question:** A case of hepatocellular carcinoma involving segment IV and VI without any **metastasis** in a 62-year-old alcoholic may be treated by all of the following except

A. surgical resection
B. liver transplantation
C. radiotherapy
D. chemotherapy

**Core Concept:** Hepatocellular carcinoma (HCC) is a type of liver cancer that primarily affects the hepatocytes (liver cells). In this scenario, the cancer has limited itself to the liver without spreading to other organs (no **metastasis**). Surgical resection, liver transplantation, and radiotherapy are treatment options for HCC, while chemotherapy is not typically used for liver cancer.

**Why the Correct Answer is Right:** Chemotherapy is typically used to treat cancer that has spread to other organs or systems (systemic therapy). Since the hepatocellular carcinoma in this case has limited itself to the liver without any evidence of systemic spread (no **metastasis**), chemotherapy would not be an effective treatment option.

**Why Each Wrong Option is Incorrect:**

A. **Surgical resection**: This involves removing the affected liver segment or lobe, along with a margin of healthy tissue around it. In this scenario, surgical resection could be considered if the tumor is resectable (i.e., the tumor is confined to the liver and can be completely removed by surgery).

B. **Liver transplantation**: Liver transplantation involves replacing the damaged liver with a healthy liver from a donor. This treatment option could be considered in some cases of hepatocellular carcinoma, especially when the tumor is not resectable.

C. **Radiotherapy**: This treatment involves delivering radiation to the affected area to damage tumor cells and slow down or stop their growth. Radiotherapy may be considered in cases where surgical resection or liver transplantation is not feasible.

D. **Chemotherapy**: As explained above, chemotherapy is not an effective treatment option for hepatocellular carcinoma with limited liver involvement without evidence of systemic spread (no **metastasis**).

**Clinical Pearls:**

1. **Liver transplantation**: Transplantation should be considered in cases where the tumor is not resectable, but the liver is otherwise healthy. This is particularly true in cases of advanced liver cirrhosis or when the tumor is too large for surgical resection.
2. **Radiotherapy**: This treatment option is typically considered for unresectable hepatocellular carcinoma or when surgical resection or liver transplantation is not feasible. Radiotherapy can be used to shrink the tumor or control its growth, but it cannot eradicate the cancer completely.
3. **Systemic therapy**: Chemotherapy is generally not a first-line treatment for hepatocellular carcinoma, especially when the tumor is limited to the liver without evidence of systemic spread.

In conclusion, the correct answer is option D (chemotherapy) because the tumor has limited liver involvement without evidence of systemic spread (no **metastasis**). The other options are more appropriate for specific scenarios as mentioned above.