Surgery All of the following are true about chemodectoma except: A Firm, rubbery, pulsatile mass, mobile from side to side B Schamblin classification is used C Biopsy is diagnostic D Lyre sign is splaying of internal & external carotid aeries on angiography 💡 Explanation All of the following are true about chemodectoma except: ✓ Correct Answer: C. Biopsy is diagnostic