Case Report with a Review of Literature: Pancoast Syndrome—A Rare Presentation of Metastatic Hepatocellular Carcinoma

Abstract Superior sulcus tumors, also known as Pancoast present in a distinctive way with Horner's syndrome (ptosis, miosis, and anhidrosis), hand weakness brought on by the atrophy of intrinsic muscles, excruciating pain along medial aspect arm. (1) Primary lung cancers constitute majority but can be multifactorial. (2) Here, we case 62-year-old male who presented right shoulder for 2 months. Clinically, he had supraclavicular mass muscles sensory-motor weakness. Computed tomography showed lesion fossa erosion T1 vertebra first rib, mimicking carcinoma upper lobe. However, biopsy from was suggestive metastasis hepatocellular (HCC). Our report identifies HCC rare differential highlights unique metastatic presentation.