X0101 EFFECT 33 LIVE 2010-12-10 13:00:00

S-4

0001056904 RADIATION THERAPY SERVICES, INC. 333-170812 0001503079 New York Radiation Therapy Management Services, Inc. 333-170812-33 0001503518 Radiation Therapy Services Holdings, Inc. 333-170812-32 0001503045 21st Century Oncology Of Alabama, LLC 333-170812-31 0001503044 Arizona Radiation Therapy Management Services, Inc. 333-170812-30 0001503043 California Radiation Therapy Management Services, Inc. 333-170812-29 0001503042 21st Century Oncology Of Jacksonville, Inc. 333-170812-28 0001503041 Devoto Construction Of Southwest Florida, Inc. 333-170812-27 0001503040 Radiation Therapy Services International, Inc. 333-170812-26 0001503061 21st Century Oncology Management Services, Inc. 333-170812-25 0001503060 Jacksonville Radiation Therapy Services, Inc. 333-170812-24 0001503059 Financial Services Of Southwest Florida, LLC 333-170812-23 0001503058 21st Century Oncology, LLC 333-170812-22 0001503076 Berlin Radiation Therapy Treatment Center, LLC 333-170812-21 0001503057 21st Century Oncology Of Harford County Maryland, LLC 333-170812-20 0001503056 21st Century Oncology Of Prince Georges County, Maryland, LLC 333-170812-19 0001503055 Maryland Radiation Therapy Management Services, LLC 333-170812-18 0001503054 American Consolidated Technologies, LLC 333-170812-17 0001503046 Michigan Radiation Therapy Management Services, Inc. 333-170812-16 0001503053 Nevada Radiation Therapy Management Services, Inc 333-170812-15 0001503052 21st Century Oncology Of New Jersey, Inc. 333-170812-14 0001503082 Radiation Therapy School For Radiation Therapy Technology, Inc. 333-170812-13 0001503039 North Carolina Radiation Therapy Management Services, LLC 333-170812-12 0001503051 21st Century Oncology Of South Carolina, LLC 333-170812-11 0001503083 West Virginia Radiation Therapy Services, Inc. 333-170812-10 0001503081 Phoenix Management Company, LLC 333-170812-09 0001503077 Carolina Regional Cancer Center, LLC 333-170812-08 0001503075 Atlantic Urology Clinics, LLC 333-170812-07 0001503078 Derm-Rad Investment Company, LLC 333-170812-06 0001503074 21st Century Oncology Of Pennsylvania, Inc. 333-170812-05 0001503050 Gettysburg Radiation, LLC 333-170812-04 0001503038 Carolina Radiation & Cancer Treatment Center, Inc. 333-170812-03 0001503073 21st Century Oncology Of Kentucky, LLC 333-170812-02 0001503080 New England Radiation Therapy Management Services, Inc. 333-170812-01