<s>[INST] hi, my daughter is 16 yr.old and has swellen in her back waist and has been removed, the result NEURAL FIBROLIPOMA.After a year i notice again some swelling at her right buttock.what will i do. to whom i can ask for check up. is this may become cancerous?she is 5 feet tall, and 45 kilos in wieght.please help me. [/INST] Hi and welcome to hcm. Thanks for the query. there is no some danger of maliganncy if it was fibrolipoma but you should have another surgical removal of this lesiosn and send it to analysis. WIsh you good health. Regards </s>