This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which one of the following soft tissue sarcomas frequently metastasizes to lymph nodes? 
Select and explain. 
A. Fibrosarcoma, B. Osteosarcoma, C. Embryonal Rhabdomyosarcoma, D. Alveolar soft pa sarcoma
C: Embryonal Rhabdomyosarcoma
Answer: C: Embryonal Rhabdomyosarcoma 
Explanation: Rhabdomyosarcoma has been described as a variant of soft tissue sarcoma with a high incidence of nodal metastasis. Ref: Harrison's Internal Medicine, 16th Edition, Page 559; Soft Tissue Sarcomas By Raphael E. Pollock, 2002; Ohopaedic Pathology By Vincent J. Vigorita, Bernard Ghelman, Douglas Mintz, 2007, Page 379