Testing Atezolizumab Alone or Atezolizumab Plus Bevacizumab in People With Advanced Alveolar Soft Part Sarcoma

NYP/Columbia University Medical Center/Herbert Irving Comprehensive Cancer Center, New York

University of Pittsburgh Cancer Institute (UPCI), Pittsburgh

National Cancer Institute Developmental Therapeutics Clinic, Bethesda

National Institutes of Health Clinical Center, Bethesda

NCI - Center for Cancer Research, Bethesda

Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore

Duke University Medical Center, Durham

Emory University Hospital Midtown, Atlanta

Vanderbilt Breast Center at One Hundred Oaks, Nashville

Vanderbilt University/Ingram Cancer Center, Nashville

Ohio State University Comprehensive Cancer Center, Columbus

University of Iowa/Holden Comprehensive Cancer Center, Iowa City

Mayo Clinic in Rochester, Rochester

Washington University School of Medicine, St Louis

Siteman Cancer Center-South County, St Louis

Siteman Cancer Center at West County Hospital, Creve Coeur

Children's Hospital and Medical Center of Omaha, Omaha

University of Nebraska Medical Center, Omaha

M D Anderson Cancer Center, Houston

Keck Medicine of USC Koreatown, Los Angeles

Los Angeles General Medical Center, Los Angeles

USC / Norris Comprehensive Cancer Center, Los Angeles

Keck Medicine of USC Buena Park, Buena Park

Keck Medical Center of USC Pasadena, Pasadena

USC Norris Oncology/Hematology-Newport Beach, Newport Beach

University of California Davis Comprehensive Cancer Center, Sacramento

Smilow Cancer Hospital-Derby Care Center, Derby

Smilow Cancer Hospital Care Center-Fairfield, Fairfield

Smilow Cancer Hospital Care Center - Guilford, Guilford

Smilow Cancer Hospital Care Center at Saint Francis, Hartford

Smilow Cancer Center/Yale-New Haven Hospital, New Haven

Yale University, New Haven

Yale-New Haven Hospital North Haven Medical Center, North Haven

Smilow Cancer Hospital-Orange Care Center, Orange

Smilow Cancer Hospital-Torrington Care Center, Torrington

Smilow Cancer Hospital Care Center-Trumbull, Trumbull

Smilow Cancer Hospital-Waterbury Care Center, Waterbury

Smilow Cancer Hospital Care Center - Waterford, Waterford

Massachusetts General Hospital Cancer Center, Boston

Brigham and Women's Hospital, Boston

Beth Israel Deaconess Medical Center, Boston

Dana-Farber Cancer Institute, Boston