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. 2018 May 30;11:43. doi: 10.1186/s13048-018-0414-z

Table 3.

Occurrence of checkpoint inhibitory molecules and TILS in tumors

Molecules in tumor sectionsa Frequency Total patients positive
0 1 2 3 4
T-PD-1 10 35 10 0 0 45
S-PD-1 12 39 4 0 0 43
PD-L1 37 14 3 1 0 18
CD3 2 23 18 5 7 53
CD8 17 15 18 5 0 38
FoxP3 7 12 15 19 2 48

aTumor sections of 55 ovarian and related cancers were IHC stained for molecules as indicated. Sections were visualized by microscopy and a pathological score assigned from 0 to 4, based on the frequency of expression of each molecule, where “0” indicates the absence and “4” the highest frequency of expression