Case presentation A 52-year-old man was admitted to a hospital with complaints of severe pain in his right shoulder after a mild exercise. He had been reducing weight over the previous few weeks and had noticed a lump near his right shoulder. Following are the various laboratory observations: Chest X-ray Lateral half of his right collarbone displayed lytic lesion with a cortical break. Presence of a soft-tissue component.

Chest CT scan Destruction of the right collarbone and presence of a 10×8×7 cm mass. Pathological fracture of the collarbone. Abdominal CT scan Large hepatic tumour Fine needle aspiration cytology Thyroid transcription factor-1 and hepatocyte antigen: positive CK7, CK20, CDX2, and p40 antigen: negative Alpha-fetoprotein blood test level of 1466 ng/mL (Normal: <10 ng/mL)  Diagnosis and Treatment The patient was diagnosed with disseminated disease of hepatocellular…