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                                            EXHIBIT 21.1
 
SUBSIDIARIES
 
Name of Subsidiary  Jurisdiction of Organization
See-Mode Technologies Pty. Ltd.Australia
Radnet Managed Imaging Services, Inc.  California
Radnet Management, Inc.California
Radnet Management I, Inc.  California
Radnet Management II, Inc.  California
Radnet Sub, Inc.  California
Beach Imaging Group, LLCCalifornia
Diagnostic Village, LLCCalifornia
FRI II, Inc.  California
FRI, Inc.  California
Glendale Advanced Imaging Center, LLCCalifornia
Mission Advanced Imaging Center, LLCCalifornia
Orange County Radiation Oncology, LLCCalifornia
Pacific Imaging Partners, Inc.  California
Rolling Oaks Imaging Corporation  California
Rolling Oaks Radiology, Inc.  California
Santa Monica Imaging Group, LLCCalifornia
SoCal MR Site Management, Inc.  California
Tri Valley Imaging Group, LLCCalifornia
Valley Imaging Partners, Inc.  California
Ventura County Imaging Group, LLCCalifornia
West Valley Imaging Group, LLCCalifornia
RMIS Imaging Services, Inc.  Canada
Advanced Imaging Partners, Inc.  Delaware
Advanced NA, LLC  Delaware
American Radiology Services of Delaware, Inc.  Delaware
American Radiology Services LLC  Delaware
Aquila Medical Innovation, Inc.Delaware
Arizona Diagnostic Radiology Group, LLCDelaware
Arizona Imaging Services, LLCDelaware
Community Imaging Partners, Inc.  Delaware
DeepHealth, Inc.Delaware
Delaware Imaging Partners, Inc.  Delaware
Diagnostic Imaging Services, Inc.  Delaware
iCAD France, LLCDelaware
iCAD, Inc.Delaware
iCAD Italy, LLCDelaware
Ide Imaging Partners, Inc.  Delaware
Idaho Imaging Services, Inc.Delaware
Image Medical Corporation  Delaware
Indiana Imaging Services, Inc.Delaware
ISSI Acquisition Corp.Delaware
Kheiron Medical Technologies Inc.Delaware



Mid Rockland Imaging Partners, Inc.  Delaware
Nulogix Health, Inc.Delaware
Orange County Radiation Oncology, LLC  Delaware
Oregon Imaging Services, Inc.Delaware
Pacific Diagnostic Imaging Group LLCDelaware
PantheonXT Partners, LLCDelaware
Qualia Acquisition Corp.Delaware
Quantib Inc.Delaware
Radiologix, Inc.  Delaware
Radiology Alliance Delivery Systems, LLCDelaware
Radiology and Nuclear Medicine Imaging Partners, Inc.  Delaware
Radsite LLCDelaware
Raven Holdings U.S., Inc.  Delaware
RMI Scheduling, Inc.Delaware
Simi Valley Imaging Group, LLCDelaware
Texas Imaging Services, LLCDelaware
Treasure Coast Imaging Partners, Inc.  Delaware
Virginia Imaging Services, Inc. Delaware
Washington Imaging Services, Inc. Delaware
Xoft, Inc.Delaware
Xoft Solutions, LLCDelaware
Aidence UK Ltd.England
CIMAR UK LIMITED (UK)England
Kheiron Medical Technologies Ltd.England and Wales
Questar Imaging, Inc.  Florida
Questar Victorville, Inc.  Florida
Scriptsender, LLCFlorida
Kepdoktor Kft  Hungary
Kheiron Medical Technologies KFTHungary
Radnet Tech Services Private LimitedIndia
CIMAR CLOUD (EU) LIMITED (IRELAND)Ireland
Advanced Imaging at Timonium Crossing, LLCMaryland
Advanced Imaging at St. Joseph Medical Center, LLCMaryland
Advanced PET Imaging of Maryland, L.P.  Maryland
Advanced Radiology, LLC  Maryland
Advanced Radiology at Aberdeen, LLCMaryland
Advanced /Upper Chesapeake Health Center, LLC  Maryland
Baltimore County Radiology, LLCMaryland
Baltimore Washington Imaging Center, LLC  Maryland
Calvert Medical Imaging Centers, LLC  Maryland
Carroll County Radiology, LLC  Maryland
Capital Imaging at Capital Region, LLCMaryland
Franklin Imaging, LLCMaryland
Frederick County Radiology, LLCMaryland
Greater Baltimore Diagnostic Imaging Partnership  Maryland
Montgomery Community Magnetic Imaging Center Limited Partnership  Maryland
Mount Airy Imaging Center, LLCMaryland
Radar Medical Systems, LLC  Michigan
Aidence B.V.Netherlands



DH AI International Holdings B.V.Netherlands
Kheiron Medical Technologies B.V.Netherlands
Quantib B.V.Netherlands
Imaging On Call, LLC  New York
Imaging Services Company of New York, LLCNew York
Park West Circle Realty, LLC  New York
Garden State Radiology Network, LLCNew Jersey
Health Diagnostics of New Jersey, LLC  New Jersey
Integrated Health Network, Inc.New Jersey
New Jersey Imaging Network, LLC  New Jersey
New Jersey Imaging Partners, Inc.  New Jersey
The New Jersey Imaging Partners, Inc.New Jersey
eRad, Inc.  Pennsylvania
See-Mode Technologies Pte. Ltd.Singapore
Roentgen Reinsurance Company, Ltd  Turks and Caicos
Aidence UK, LtdUnited Kingdom
Heart and Lung Imaging LimitedUnited Kingdom