Your work prospects will continue to be GOOD because:
The employment growth rate is expected to be above average because of on going trends--a growing and aging population that requires more health services, new diagnosing/treating technologies, and increased government funding for health care.
Although the retirement rate will likely be average, the number of retiring workers should contribute to job openings.
The number of job seekers will likely match the number of job openings.
Preparing for the Competition
You'll need to update your skills to handle new imaging technologies.
You'll find opportunities in private clinics.
You're more likely to succeed if you stay current with the new applications of nuclear medicine.