A child 10 yrs of age presents with a mass on his left thigh.The mass seems to be arising from diaphysis of femur,and involving the soft tissue of thigh.The child is having fever also.Give your most probable diagnosis

A child 10 yrs of age presents with a mass on his left thigh.The mass

1.	A child 10 yrs of age presents with a mass on his left thigh.The mass seems to be arising from diaphysis of femur,and involving the soft tissue of thigh.The child is having fever also.Give your most probable diagnosis
A.	Osteosarcoma
B.	Ewings sarcoma
C.	Chondro sarcoma
D.	Malignant fibrous histiocytoma
Answer» C. Chondro sarcoma