TCP & NTCP

Radiotherapy has a lot of abbreviations and today I’ve had to relearn some of the most annoying of them all:

TCP= Tumour Control Probability

NTCP= Normal Tissue Complication Probability

For a good radiotherapy treatment we want TCP>= 0.5 and NTCP <=0.05

A/N: WHY ARE THERE SO MANY ABBREVIATIONS WHICH ARE ALWAYS USED TOGETHER AND HAVE THE SAME LETTERS BUT ENTIRELY DIFFERENT MEANINGS IN RADIOTHERAPY, IT’S LIKE THEY WANT TO CONFUSE EVERYONE.

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