A review of x-rays, cat scans and ultra sounds at University Hospital Kerry is more than half-way complete.
The South/South West Hospital Group (SSWHG) says 21,850 images have been reviewed to date.
It says so far, 34 patients have been recalled arising from the review.
But it adds that no further clinical follow up has been required for these patients in relation to their radiology investigations.
On Monday it was revealed that seven patients had serious delayed diagnoses, including three with cancer.
The review was announced earlier this week of some 46,000 records.
The SSWHG confirmed it was investigating patient safety concerns at the hospital.
This followed the notification of three Serious Reportable Events (SREs) over the course of the summer.
Scans of some 26,000 people are involved in the process, with - in some cases - two or three scams per person.
The review, covering scans between the period of March 2016 to July 2017, started at end of October.
A helpline set up to help those affected remains open from 9.00am to 5.00pm on normal working days.
This can be contacted on 1800-742-900.
