Molecular detection (k-ras) of exfoliated tumour cells in the pelvis is a prognostic factor after resection of rectal cancer?

Table 2 Clinical and pathologic information for the 19 patients with a positive k-ras marker in the lavage fluid.

Age	Gender	Operation tecnique	Sample status *	Recurrent^♣	Tumour perforation	Metastatic	T	R	N	Serosa infiltration	Peretenoal carcino-matose	Time (months observed)	Status
69	M	LAR	primary	yes	yes	no	T3	R0	N0	no	no	26	Dead
64	M	APR	primary	no	no	no	T3	R0	N2	no	no	39	Dead
76	M	APR	primary	no	yes	no	T3	R0	N1	no	no	11	Dead
71	K	Hartmann	local recurrent	no	no	no	unknown	R0	Nx	yes	no	19	Dead
61	F	APR	local recurrent	no	no	no	unknown	R0	Nx	no	no	16	Dead
60	F	LAR	primary	no	no	no	T3	R0	N1	no	no	15	Alive
77	M	LAR	primary	no	no	no	T3	R0	N0	no	no	12	Alive
64	F	LAR	primary	no	no	no	T3	R0	N2	no	no	11	Alive
49	F	APR	primary	no	no	no	T3	R0	N2	no	no	4	Alive
60	M	APR	primary	no	no	yes	T2	R0	N1	no	no	8	Alive
68	M	LAR	primary	no	no	no	T2	R0	N0	no	no	3	Alive
71	M	APR	primary	no	no	no	T3	R0	N0	no	no	3	Alive
61	M	TumorRes	local recurrent	yes	yes	yes	unknown	R1	Nx	no	no	22	Dead
82	M	APR	local recurrent	no	no	no	T4	R1	Nx	no	no	18	Alive
59	F	LAR	primary	no	no	no	T3	R1	N0	possible	unsertain	3	Alive
46	K	Hartmann	primary	yes	yes	yes	T4	R2	N0	no	yes	21	Alive
66	M	EksplLap	primary	yes	unknown	yes	T4	R2	Nx	unknown	yes	1	Dead
69	M	EksplLap	local recurrent	yes	no	no	unknown	R2	unknown	no	no	18	Dead
78	M	Hartmann	local recurrent	yes	yes	no	T4	R2	Nx	no	no	2	Dead

APR: Abdominoperineal resection, LAR: Low anterior resection, EkspI. Lap: Explorative laparotomy
* Sample status describes when the patient's tumour is classified either as a primary or a local recurrence.
^♣ Recurrent describes whether or not the patients have developed a local recurrence after the surgery (when samples were retrieved).

ISSN: 1471-2407