information then the local results may be related to the demographics and billing history of the results and the results from the cas servers 110 a c may be dicom images as above the results from the cas servers and the application server if it stores replicated data may be checked not only for integrity via checksums e g but also for duplicates the duplicate results may be flagged or omitted from the search results sent the processes and systems described herein may be performed on or encompass various types of hardware such as computer systems in some embodiments the computer systems such as the client system 140 a c the application server 130 and the content addressable storage systems 110 a c may include a bus or other communication mechanism for communicating information and a processor coupled with the bus for processing information the computer systems may have a main memory such as a random access memory or other dynamic storage device coupled to the bus the main memory may be used to store instructions and temporary variables the computer systems may also include a read only memory or other static storage device coupled to the bus for storing static information and instructions the computer systems may also be coupled to a display such as a crt or lcd monitor input devices may also be coupled to the computer system these input devices may include a mouse a trackball or cursor direction keys each computer system may be implemented using one or more physical computers or computer systems or portions thereof the instructions executed by the computer system.