“…The most common location is in the posterior triangle of the neck (75% of cases) [8], after the sternocleidomastoid; 20% in the submandibular triangle, and 5% can occur in the abdomen, retroperitoneum, mediastinum, and even in multiple locations (axilla, shoulder, chest wall, abdominal wall, parotid gland, lip, floor of the mouth, tongue, tonsils, region behind the ear) [5,[9][10][11].…”