primary site


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primary site

The tissue of origin of a metastatic tumor.
See also: site
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Local failure was defined as a recurrence of MCC in the same area as the primary site, and regional failure was defined as a recurrence in the draining lymph nodes or in proximity of the primary site.
There are two types of mirroring techniques that may be used over a remote IP to establish a copy of the primary site data--synchronous or asynchronous.
This ensures that the secondary site commences operations using a complete and up-to-date copy of the primary site's production data.
The common differential diagnoses include metastases of malignancies primary to the head and neck, malignant lymphoma, and cancer of unknown primary site (CUP).
The industry watchdogs such as the SEC state that "long-standing principles of business continuity planning suggest that back-up arrangements should be as far away from the primary site as necessary to avoid being subject to the same set of risks as the primary location." Back-up sites should not rely on the same infrastructure components used by the primary site.
He was irradiated with 3,800 cGy to T11 (800 cGy in one fraction followed by 3,000 cGy in 10 fractions) and with 4,500 cGy to the primary site (in 15 fractions).
The primary site uses VERITAS Volume Replicator host-based software (running on about eight different hosts) to synchronously mirror its data to a secondary site ten miles away.
In the primary site, a local storage system is attached to the iSCSI switch using either a SCSI or FC connection.
(10,11) Some patients who have small primary tumors that are amenable to conservation surgery are occasionally treated with radiation to the primary site in combination with neck dissection.

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