Imatinib Mesylate in Treating Patients With Advanced Soft Tissue Sarcoma or Bone Sarcoma

Herbert Irving Comprehensive Cancer Center at Columbia University, New York

Washington Hospital Center, Washington D.C.

Mayo Clinic Cancer Center, Rochester

Lutheran General Cancer Care Center, Park Ridge

Jonsson Comprehensive Cancer Center, UCLA, Los Angeles

Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support, Bethesda

Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute, Boston

University of Michigan Comprehensive Cancer Center, Ann Arbor

Memorial Sloan-Kettering Cancer Center, New York

University of Texas - MD Anderson Cancer Center, Houston