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What is a secondary cancer?
A tumor caused by dose given in connection
to radiotherapy/imaging.
A tumor with a histology which is different
than the primary disease.
A tumor that occurs after a latency period
from the treatment of the primary disease.
RT
Years after
RT
Other cancer
What is NOT a secondary cancer?
Recurrent cancer.
Sporadic cancer.
Cancer connected to genetic factors.
Exogenous factors (smoking, diet etc.) causing
the first cancer can also cause the next.
Definition
6
Introduction