

Poisson Statistics: Tumor control (cure)
Tumor Control Probability,
TCP
, is the
probability of
no
surviving cells in the
tumor (
i.e.
x
= 0
).
TCP
is therefore given by:
TCP
=
P
(
0
)
=
e
−
λ
λ
0
0
!
=
e
−
λ
=
exp
−
λ
( )
λ
is mean number of surviving cells per tumor