Table 6.

Top 20 terms with most frequent occurrence in the titles or abstract.

Rank	Keyword	Occurrences	Total link strength
1	Endometrial cancer	65	366
2	Carcinoma	40	214
3	Immunotherapy	37	213
4	Expression	32	170
5	Blockade	25	166
6	Infiltrating lymphocytes	25	144
7	T cell	21	121
8	Pd-1	20	133
9	Microsatellite instability	15	110
10	Pembrolizumab	14	103
11	Safety	12	88
12	Antitumor-activity	11	66
13	Immune checkpoint inhibitor	11	68
14	Pd-l1	11	67
15	Association	9	59
16	Immunohistochemistry	9	66
17	Lynch syndrome	9	61
18	Mutations	9	47
19	Recurrent	8	44
20	Microenvironment	7	49