Hepatocellular carcinoma (HCC) is the most common primary liver tumor. Most patients present to the hospital with systemic symptoms and typically have a history of liver disease. This case study involves a male in his 60s who presented to our hospital facility with a chief complaint of abdominal pain. He reported no history of liver disease but was diagnosed with HCC stage IVB during this hospitalization. Upon further imaging, a tumor thrombus was found invading the inferior vena cava with an extension into the right atrium. Our primary learning point in this article is to emphasize the importance of prompt surveillance for primary care physicians with patients who are at increased risk for HCC. Additionally, we discuss specific management aimed toward patients diagnosed with a tumor thrombus extending into the right atrium. This management includes dual immunotherapy (atezolizumab and bevacizumab) and transarterial chemotherapy embolization (TACE).
Keywords: advanced hepatocellular carcinoma; atezolizumab plus bevacizumab; inferior vena cava tumor thrombus; right atrium tumor thrombus; transarterial chemoembolization (tace).
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