Tens of thousands of patients of University Hospital Kerry face a nervous wait after several misdiagnoses based on scans.
The problems identified relate to one employee of the hospital, who no longer works there.
The X-rays, CAT Scans and ultra sounds of almost 27 thousand patients that date from March 2016 to July 2017 are now being reviewed.
Independent Cllr Brendan Cronin is a member of the HSE South Regional Health Forum.
He says the HSE kept patients and families in the dark about the review for too long;
SIPTU says radiographers at the hospital have been raising concerns about the department in University Hospital Kerry for three years.
An independent report carried out a year ago identified the need to hire more staff, and upgrade equipment.
Divisional organiser Paul Bell says that when patients were recalled for the review of scans, radiographers were not told by hospital management what to tell them;