A 20-year-old male presented with a midline soft tissue swelling in front of neck. On examination it is a cystic mass of 2 x 2 cm in size, which moves with deglutition and swallowing. No other significant finding observed. Which of the following is the definitive management for this condition:
Reassure the patient and regular follow-up Surgical removal of cyst Steroid injection into the cyst Sistrunk's operation