<prompt> Which is the most active single chemotherapeutic agent in the treatment of Leiomyosarcoma -AdriamycinDoxorubicinMethotrexateb or a  <response>: Ans. is b or a i.e., Doxorubicin or Adriamycin o Doxarubicin adriamycin has been shown to be an effective agent against leiomyosarcomas arising in the uterus. o The best responses in cases of soft tissue tumors have been observed with doxarubicin adriamycin and ifsofamide not in option 