Liver cancer can be detected in its early stages through Doppler ultrasound examination, which may reveal single or multiple abnormal masses within the liver. These masses often vary in size and have irregular edges, with blood flow signals inside. If liver cancer is suspected from the Doppler ultrasound, further examination with an abdominal CT or MRI can provide more detailed information about the lesions to aid in judgment. A definitive diagnosis relies on surgical removal or percutaneous liver biopsy to obtain local tissue for pathological confirmation. Patients with early-stage diagnosed liver cancer should undergo surgical treatment as soon as possible, and those who can have radical resection generally have a better prognosis.