16 WARNING SIGNS OF LIVER CANCER

5. Hepatic Encephalopathy (Confusion, Memory Problems)

When a liver cancer advances enough to severely impair liver function, toxic substances accumulate in the blood and brain, causing cognitive changes. Confusion, difficulty concentrating, memory problems, personality changes, or behavioral alterations can develop.

This neurological syndrome represents severe liver dysfunction and indicates cancer is advancing. Family members often notice personality changes or confusion before the patient recognizes it. If you or loved ones notice unexplained cognitive changes in someone with liver disease, emergency evaluation is essential.

4. Elevated Alpha-Fetoprotein (AFP) Levels

While not a symptom you’d directly notice, elevated AFP detected on blood testing is a crucial marker of liver cancer. AFP is a protein normally produced during fetal development but elevated in 60-70% of hepatocellular carcinoma cases.

If you have known liver disease and your AFP level rises significantly or becomes detectable when previously negative, this is a major warning sign requiring imaging to evaluate for malignancy. Regular AFP monitoring is part of surveillance for at-risk patients.

3. Rapid Deterioration of Liver Function

Sudden worsening of liver laboratory values—rising bilirubin, dropping albumin, increasing prothrombin time—can indicate a malignancy developing in previously compensated liver disease. What was stable suddenly becomes chaotic.

This laboratory deterioration, discovered during routine blood work, should prompt immediate imaging evaluation. A growing tumor disrupts liver function and accelerates the progression of underlying disease. Any significant laboratory deterioration warrants urgent investigation for possible malignancy.

2. Signs of Portal Hypertension with Cancer Development

Bleeding from esophageal varices (enlarged veins in the esophagus), sudden onset of splenomegaly (enlarged spleen), or new hemoconcentration can indicate advanced liver cancer with severe portal hypertension. These signs represent decompensated liver disease with malignancy.

If you have a history of cirrhosis and suddenly develop variceal bleeding or other signs of portal hypertension, this can indicate rapid cancer progression. Endoscopy and imaging are needed urgently. These symptoms represent medical emergencies requiring hospitalization.

1. Vomiting Blood (Hematemesis) or Black, Tarry Stools (Melena)

This is the most urgent warning sign. Internal bleeding from ruptured esophageal varices caused or worsened by liver cancer represents a medical emergency. Rapid, massive bleeding can lead to shock and death within hours.

If you vomit blood or notice black, tarry stools, call emergency services immediately. Do not attempt home treatment. This requires emergency hospitalization, possible endoscopic intervention, and intensive care. When combined with known liver disease or cancer risk factors, this is a life-threatening emergency.