Some of the cancer diagnosis and treatment services offered by Mary Bird Perkins Cancer Center at TGMC include chemotherapy; flow cytometry; digital mammography; magnetic resonance imaging (MRI); image guided biopsy; breast biopsy ultrasound; and Breast Specific Gamma Imaging (BSGI) as well as several other imaging services. State-of-the-art comprehensive radiation therapy services include an image guided high-energy linear accelerator; advanced intensity modulated radiation therapy (IMRT) treatment capability; image guided radiation therapy (IGRT) treatment capability; positron emission tomography/computed tomography (PET/CT) capability; sophisticated planning stations, as well as physics and dosimetry quality assurance instrumentation and software.