<prompt> The prognosis of rhabdomyosarcoma is likely to be poor if the site of the tumour isOrbitPara testicularExtremityUrinary bladder  <response>: Rhandomyosarcoma Rhabdomyosarcoma Arises from Mesenchymal tissues MC sites of origin : Head and neck Parameningeal Extremities Genitourinary tract Trunk MC pediatric soft tissue sarcoma : Rhabdomyosarcoma Associated with : NF, Beckwith- Weidman syndrome, Li-Fraumeni and fetal alcohol syndrome Prognosis of Rhabdomyosarcoma Favourable primary sites Unourable primary sites Orbit Nonparameningeal head and neck Paratestis Vagina Extremity Parameningeal Ref: Devita 9th edition Pgno : 1780-1784 