Lymphangiomas are rare benign hamartomas that result from maldevelopment of primitive lymphatic sacs. They are most frequently found in the neck and axilla, while intra-abdominal and mediastinal lymphangioma are uncommon. Lymphangiomas are rare pediatric tumors and very fewer cases reported in adults according to the literature. Therefore this article discusses a case report of cystic lymphangioma of 22 year old male patient with a brief review on its clinicopathologic presentation, classification, diagnostic techniques and its management.