IGRT_MODALITY

Description:

This table contains the concepts representing the imaging modalities used in IGRT as well as the associated energy.

Primary Key

Column Name	Ordinal Position
RT_SUMMARY_ID	1
CONTACT_DATE_REAL	2
LINE	3

Column Information

	Name	Type	Discontinued?
1	RT_SUMMARY_ID	NUMERIC	No
	The unique identifier (.1 item) for the radiotherapy summary record.
2	CONTACT_DATE_REAL	FLOAT	No
	A unique contact date in decimal format. The integer portion of the number indicates the date of contact. The digits after the decimal distinguish different contacts on the same date and are unique for each contact on that date. For example, .00 is the first/only contact, .01 is the second contact, etc.
3	LINE	INTEGER	No
	The line number for the information associated with this contact. Multiple pieces of information can be associated with this contact.
4	IGRT_ENERGY_UNIT_C_NAME	VARCHAR	No
	Stores the unit of energy used in imaging for IGRT. May contain organization-specific values: No Category Entries: Megaelectronvolt Megavolt Kilovolt