TABLE 1.

Tumor and uterine lavage mutation testing

					Tumor testing				Uterine lavage testing
Patient ID	Ovarian cancer type	Histology	Age at surgery	Stage	Tumor testing platform	Mutation	Protein variant	Coding variant	Tumor mutation found	VAF	Mutant duplex reads	Duplex depth at position
P15	Non-serous	Clear-cell carcinoma	53	IC3	DS	ARID1A	p.W1023Vfs*10	c.3066dup	yes	0.0134	14	1046
P16	Non-serous	Clear-cell carcinoma	64	IIB	DS	TP53	P.E221*	c.661G>T	no
P17	Non-serous	Clear-cell carcinoma	69	IA	DS	ARID1A	p.K1808Nfs*4	c.5423 5424insTTAC	no
P18	Non-serous	Endometrioid carcinoma	57	IC1	DS	CTNNB1	P.S33C	c.98C>G	no
P19a	Non-serous	Endometrioid carcinoma	58	IC3	DS	ARID1A CTNNB1 PIK3CA	p.R1335* p.D32Y P.H1047R	C.40030T c.94G>T c.3140A>G	no
P20	Non-serous	Endometrioid carcinoma	83	IA	DS	PIK3CA	P.N1044Y	c.3130A>T	yes	0.0053	16	2997
P21	Serous	Carcinosarcoma	51	IB	DS	TP53	p.X307 splice	c.919+1G>A	yes	0.0075	42	5593
P22	Serous	HGSC	52	IIIC	BROCA	TP53	P.G244V	c.731G>T	yes	0.0050	21	4166
P23	Serous	HGSC	56	IIB	BROCA	TP53	p.R342Tfs*4	c.1023 1024insAC	yes	0.0005	2	3835
P24	Serous	HGSC	57	IB	DS	TP53	P.C275F	c.824G>T	yes	0.0169	97	5723
P25	Serous	HGSC	61	IIA	DS	TP53	P.V157F	C.469G>T	no
P26	Serous	HGSC	62	IIIB	DS	TP53	P.R273C	c.817C>T	yes	0.0037	22	5905
P27	Serous	HGSC	67	IIIA1	BROCA	TP53	p.V274A	c.821T>C	yes	0.0005	2	3938
P28	Serous	HGSC	68	IVB	DS	TP53	P.V143M	c.427G>A	no
P29	Serous	HGSC	68	IVB	DS	TP53	p.S315Rfs*26	c.942 954del	no
P30	Serous	HGSC	71	IIIC	DS	TP53	P.H193Y	c.577C>T	yes	0.0091	56	6130
P31	Serous	HGSC	72	IIIC	BROCA	TP53	P.S241F	C.722OT	yes	0.0045	9	1999
P32	Serous	HGSC	73	IIIC	DS	TP53	p.X126 splice	c.376-2A>G	yes	0.0002	1	4291
P33	Serous	HGSC	76	IIA	BROCA	TP53	P.P151H	c.452C>A	yes	0.0962	372	3866
P34	Serous	HGSC	83	IIB	DS	TP53	p.S261Vfs*84	c.780del	yes	0.1832	926	5055

Abbreviation: DS, duplex sequencing; HGSC, high-grade serous carcinoma.

^aNote that patient P19 had three tumor driver mutations.