Early Symptoms and Warning Signs of Liver Cancer

Written by Yan Chun
Oncology
Updated on May 28, 2025
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The early symptoms of liver cancer primarily manifest as localized gastrointestinal symptoms. Patients develop an aversion to greasy foods and experience a decrease in appetite. Some may feel bloating and pain in the abdomen, nausea, and distention after eating, and even pain and bloating as early symptoms. Patients become reluctant to be active, and some liver cancer patients may not exhibit many symptoms in the early stages. The precursors of liver cancer mainly present as unexplained fatigue or generalized weakness. If individuals with a family history of liver cancer experience unexplained anorexia, fatigue, and lethargy, the possibility of liver cancer should be considered.

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Written by Liu Liang
Oncology
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What are the early symptoms of liver cancer?

The early symptoms of liver cancer lack specificity, so in clinical practice, early-stage liver cancer is generally detected only during routine screenings or physical examinations. By the time patients present with noticeable symptoms and seek medical attention, the cancer is often in the intermediate or advanced stages, making surgical removal unlikely for most patients. The early symptoms might include non-specific signs such as fatigue. It is usually only in the intermediate or advanced stages that patients experience obvious symptoms like pain in the liver area, palpable abdominal masses, abdominal distension, weight loss, and jaundice. By the time these symptoms appear, it is typically quite late, corresponding to the intermediate or advanced stages of the disease. Early stages typically do not show specific symptoms, though some patients might experience mild abdominal pain, bloating, or fatigue, which are not very specific signs.

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Written by Yan Chun
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Can a cystic lesion in the liver be liver cancer?

Clinically, cystic lesions in the liver are mostly not liver cancer lesions, because liver cancer is a malignant tumor occurring in the liver. Clinically, on imaging, it is mainly manifested as occupying lesions in the liver, appearing as multiple hepatic nodules fused into a mass, or as a huge single nodular lesion. These lesions generally appear as solid lesions. When the tumor is large, ischemic necrosis can occur due to insufficient blood supply to the central area, resulting in cystic changes in the central region of the solid lesion. Therefore, some patients with large liver cancer may have cystic and solid lesions on imaging, but in most cases, liver cancer lesions are solid.

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Written by Yan Chun
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Will early-stage liver cancer cause weight loss?

For patients with early-stage liver cancer, symptoms of wasting do not occur at the onset. This is because wasting in liver cancer patients is due to insufficient albumin synthesis as the tumor causes a substantial consumption of protein, coupled with a decrease in appetite leading to inadequate intake of nutrients such as albumin, which ultimately results in wasting. This is a common clinical manifestation in patients with advanced liver cancer. However, for patients with early-stage liver cancer, the impairment of liver function is relatively minor; therefore, their synthesis of albumin is normal. Moreover, early-stage patients exhibit almost no clinical symptoms and their appetite remains normal, with no decrease in food intake. Thus, their intake of nutrients is also maintained at normal levels. Additionally, as the tumor is smaller in the early stages, the consumption of the body's nutrients is less. Considering these three factors, the overall protein consumption remains normal and not excessive, thus preventing the patients from experiencing wasting.

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Written by Yan Chun
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Does early-stage liver cancer cause the complexion to become dark?

Patients with early-stage liver cancer do not experience darkening of the facial complexion. This is because early-stage liver cancer primarily refers to carcinoma in situ of the liver and some small liver cancers. Since the tumors are small and the affected area is limited, they generally cause few symptoms clinically. Some patients may experience mild fatigue and a decrease in appetite, but these do not lead to changes in the complexion. Only when the liver cancer progresses to the middle or late stages, causing damage to liver cell functions or when the pathology metastasizes, leading to damage to multiple organ functions, can there be some changes in facial complexion. For example, patients may exhibit pale complexions due to moderate to severe anemia. Some patients may have yellowing of the skin due to obstructive jaundice or hepatocellular jaundice. Additionally, some patients may show darkening of the facial complexion due to abnormal hormone secretion.

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Can primary liver cancer be treated?

Primary liver cancer is also treatable. Generally, if the primary liver cancer is small and has not widely metastasized, surgical resection can be considered, mainly involving hepatectomy and lymph node dissection. Postoperative comprehensive treatment including chemotherapy and radiotherapy is also applied. For primary liver cancer, interventional chemotherapy, as well as methods like cryotherapy, microwave, and ablation can be considered to control the progression of the disease. Additionally, oral targeted therapy such as sorafenib can be used. If primary liver cancer is widely metastasized at the time of detection, there generally aren’t very effective treatment options, and the average survival period might be around six months, with poor treatment outcomes.