The C-CANCEL-GET-RQ Message contains fields as defined in Table 9.3-8. Each field shall conform to DICOM encoding and Value Representation as defined in PS3.5. Fields are required as specified in the C-GET service definition unless otherwise noted in Table 9.3-8. Fields not specified in the C-GET service definition but present in Table 9.3-8 are required by the DIMSE-C protocol.
Table 9.3-8. C-CANCEL-GET-RQ Message Fields
|
Message Field |
Tag |
VR |
VM |
Description of Field |
|---|---|---|---|---|
|
Command Group Length |
(0000,0000) |
UL |
1 |
The even number of bytes from the end of the value field to the beginning of the next group. |
|
Command Field |
(0000,0100) |
US |
1 |
This field distinguishes the DIMSE‑C operation conveyed by this Message. The value of this field shall be set to 0FFFH for the C-CANCEL-GET-RQ Message. |
|
Message ID Being Responded To |
(0000,0120) |
US |
1 |
Shall be set to the value of the Message ID (0000,0110) field used in associated C-GET-RQ Message. |
|
Command Data Set Type |
(0000,0800) |
US |
1 |
This field indicates that no Data Set is present in the Message and shall be set to a value of 0101H. |