id	sid	tid	token	lemma	pos
f1881j94n34	1	1	in	in	ADP
f1881j94n34	1	2	the	the	DET
f1881j94n34	1	3	treatment	treatment	NOUN
f1881j94n34	1	4	of	of	ADP
f1881j94n34	1	5	cancer	cancer	NOUN
f1881j94n34	1	6	,	,	PUNCT
f1881j94n34	1	7	the	the	DET
f1881j94n34	1	8	goal	goal	NOUN
f1881j94n34	1	9	is	be	AUX
f1881j94n34	1	10	to	to	PART
f1881j94n34	1	11	destroy	destroy	VERB
f1881j94n34	1	12	a	a	DET
f1881j94n34	1	13	tumor	tumor	NOUN
f1881j94n34	1	14	with	with	ADP
f1881j94n34	1	15	minimal	minimal	ADJ
f1881j94n34	1	16	impact	impact	NOUN
f1881j94n34	1	17	on	on	ADP
f1881j94n34	1	18	normal	normal	ADJ
f1881j94n34	1	19	tissues	tissue	NOUN
f1881j94n34	1	20	in	in	ADP
f1881j94n34	1	21	the	the	DET
f1881j94n34	1	22	patient	patient	NOUN
f1881j94n34	1	23	.	.	PUNCT
f1881j94n34	2	1	radiosurgery	radiosurgery	NOUN
f1881j94n34	2	2	is	be	AUX
f1881j94n34	2	3	a	a	DET
f1881j94n34	2	4	technique	technique	NOUN
f1881j94n34	2	5	used	use	VERB
f1881j94n34	2	6	to	to	PART
f1881j94n34	2	7	deliver	deliver	VERB
f1881j94n34	2	8	a	a	DET
f1881j94n34	2	9	lethal	lethal	ADJ
f1881j94n34	2	10	dose	dose	NOUN
f1881j94n34	2	11	of	of	ADP
f1881j94n34	2	12	radiation	radiation	NOUN
f1881j94n34	2	13	to	to	ADP
f1881j94n34	2	14	a	a	DET
f1881j94n34	2	15	tumor	tumor	NOUN
f1881j94n34	2	16	and	and	CCONJ
f1881j94n34	2	17	spare	spare	ADJ
f1881j94n34	2	18	surrounding	surround	VERB
f1881j94n34	2	19	critical	critical	ADJ
f1881j94n34	2	20	structures	structure	NOUN
f1881j94n34	2	21	(	(	PUNCT
f1881j94n34	2	22	such	such	ADJ
f1881j94n34	2	23	as	as	ADP
f1881j94n34	2	24	the	the	DET
f1881j94n34	2	25	optic	optic	ADJ
f1881j94n34	2	26	nerve	nerve	NOUN
f1881j94n34	2	27	or	or	CCONJ
f1881j94n34	2	28	spinal	spinal	ADJ
f1881j94n34	2	29	cord	cord	NOUN
f1881j94n34	2	30	)	)	PUNCT
f1881j94n34	2	31	.	.	PUNCT
f1881j94n34	3	1	multiple	multiple	ADJ
f1881j94n34	3	2	beams	beam	NOUN
f1881j94n34	3	3	of	of	ADP
f1881j94n34	3	4	radiation	radiation	NOUN
f1881j94n34	3	5	are	be	AUX
f1881j94n34	3	6	selected	select	VERB
f1881j94n34	3	7	such	such	ADJ
f1881j94n34	3	8	that	that	SCONJ
f1881j94n34	3	9	these	these	DET
f1881j94n34	3	10	beams	beam	NOUN
f1881j94n34	3	11	intersect	intersect	VERB
f1881j94n34	3	12	at	at	ADP
f1881j94n34	3	13	the	the	DET
f1881j94n34	3	14	tumor	tumor	NOUN
f1881j94n34	3	15	.	.	PUNCT
f1881j94n34	4	1	the	the	DET
f1881j94n34	4	2	treatment	treatment	NOUN
f1881j94n34	4	3	planning	planning	NOUN
f1881j94n34	4	4	problem	problem	NOUN
f1881j94n34	4	5	in	in	ADP
f1881j94n34	4	6	radiosurgery	radiosurgery	NOUN
f1881j94n34	4	7	is	be	AUX
f1881j94n34	4	8	the	the	DET
f1881j94n34	4	9	selection	selection	NOUN
f1881j94n34	4	10	of	of	ADP
f1881j94n34	4	11	a	a	DET
f1881j94n34	4	12	number	number	NOUN
f1881j94n34	4	13	of	of	ADP
f1881j94n34	4	14	beams	beam	NOUN
f1881j94n34	4	15	and	and	CCONJ
f1881j94n34	4	16	the	the	DET
f1881j94n34	4	17	orientations	orientation	NOUN
f1881j94n34	4	18	of	of	ADP
f1881j94n34	4	19	those	those	DET
f1881j94n34	4	20	beams	beam	NOUN
f1881j94n34	4	21	,	,	PUNCT
f1881j94n34	4	22	such	such	ADJ
f1881j94n34	4	23	that	that	SCONJ
f1881j94n34	4	24	at	at	ADP
f1881j94n34	4	25	their	their	PRON
f1881j94n34	4	26	intersection	intersection	NOUN
f1881j94n34	4	27	they	they	PRON
f1881j94n34	4	28	deliver	deliver	VERB
f1881j94n34	4	29	a	a	DET
f1881j94n34	4	30	lethal	lethal	ADJ
f1881j94n34	4	31	dose	dose	NOUN
f1881j94n34	4	32	to	to	ADP
f1881j94n34	4	33	the	the	DET
f1881j94n34	4	34	tumor	tumor	NOUN
f1881j94n34	4	35	without	without	ADP
f1881j94n34	4	36	exceeding	exceed	VERB
f1881j94n34	4	37	the	the	DET
f1881j94n34	4	38	tolerance	tolerance	NOUN
f1881j94n34	4	39	of	of	ADP
f1881j94n34	4	40	any	any	DET
f1881j94n34	4	41	critical	critical	ADJ
f1881j94n34	4	42	structure	structure	NOUN
f1881j94n34	4	43	in	in	ADP
f1881j94n34	4	44	their	their	PRON
f1881j94n34	4	45	path	path	NOUN
f1881j94n34	4	46	.	.	PUNCT
f1881j94n34	5	1	because	because	SCONJ
f1881j94n34	5	2	tumor	tumor	NOUN
f1881j94n34	5	3	geometry	geometry	NOUN
f1881j94n34	5	4	is	be	AUX
f1881j94n34	5	5	often	often	ADV
f1881j94n34	5	6	irregular	irregular	ADJ
f1881j94n34	5	7	,	,	PUNCT
f1881j94n34	5	8	it	it	PRON
f1881j94n34	5	9	is	be	AUX
f1881j94n34	5	10	useful	useful	ADJ
f1881j94n34	5	11	to	to	PART
f1881j94n34	5	12	shape	shape	VERB
f1881j94n34	5	13	the	the	DET
f1881j94n34	5	14	beams	beam	NOUN
f1881j94n34	5	15	to	to	PART
f1881j94n34	5	16	match	match	VERB
f1881j94n34	5	17	the	the	DET
f1881j94n34	5	18	geometry	geometry	NOUN
f1881j94n34	5	19	of	of	ADP
f1881j94n34	5	20	the	the	DET
f1881j94n34	5	21	tumor	tumor	NOUN
f1881j94n34	5	22	.	.	PUNCT
f1881j94n34	6	1	a	a	DET
f1881j94n34	6	2	multi	multi	ADJ
f1881j94n34	6	3	-	-	ADJ
f1881j94n34	6	4	leaf	leaf	ADJ
f1881j94n34	6	5	collimator	collimator	NOUN
f1881j94n34	6	6	(	(	PUNCT
f1881j94n34	6	7	mlc	mlc	PROPN
f1881j94n34	6	8	)	)	PUNCT
f1881j94n34	6	9	mounted	mount	VERB
f1881j94n34	6	10	at	at	ADP
f1881j94n34	6	11	the	the	DET
f1881j94n34	6	12	beam	beam	NOUN
f1881j94n34	6	13	portal	portal	NOUN
f1881j94n34	6	14	of	of	ADP
f1881j94n34	6	15	the	the	DET
f1881j94n34	6	16	radiation	radiation	NOUN
f1881j94n34	6	17	source	source	NOUN
f1881j94n34	6	18	can	can	AUX
f1881j94n34	6	19	be	be	AUX
f1881j94n34	6	20	used	use	VERB
f1881j94n34	6	21	to	to	PART
f1881j94n34	6	22	shape	shape	VERB
f1881j94n34	6	23	a	a	DET
f1881j94n34	6	24	beam	beam	NOUN
f1881j94n34	6	25	.	.	PUNCT
f1881j94n34	7	1	the	the	DET
f1881j94n34	7	2	mlc	mlc	PROPN
f1881j94n34	7	3	is	be	AUX
f1881j94n34	7	4	a	a	DET
f1881j94n34	7	5	series	series	NOUN
f1881j94n34	7	6	of	of	ADP
f1881j94n34	7	7	aligned	align	VERB
f1881j94n34	7	8	pairs	pair	NOUN
f1881j94n34	7	9	of	of	ADP
f1881j94n34	7	10	leaves	leave	NOUN
f1881j94n34	7	11	.	.	PUNCT
f1881j94n34	8	1	the	the	DET
f1881j94n34	8	2	mlc	mlc	NOUN
f1881j94n34	8	3	may	may	AUX
f1881j94n34	8	4	be	be	AUX
f1881j94n34	8	5	rotated	rotate	VERB
f1881j94n34	8	6	around	around	ADP
f1881j94n34	8	7	the	the	DET
f1881j94n34	8	8	center	center	NOUN
f1881j94n34	8	9	of	of	ADP
f1881j94n34	8	10	the	the	DET
f1881j94n34	8	11	beam	beam	NOUN
f1881j94n34	8	12	portal	portal	NOUN
f1881j94n34	8	13	.	.	PUNCT
f1881j94n34	9	1	this	this	DET
f1881j94n34	9	2	work	work	NOUN
f1881j94n34	9	3	investigates	investigate	VERB
f1881j94n34	9	4	the	the	DET
f1881j94n34	9	5	impact	impact	NOUN
f1881j94n34	9	6	of	of	ADP
f1881j94n34	9	7	mlc	mlc	NOUN
f1881j94n34	9	8	rotation	rotation	NOUN
f1881j94n34	9	9	(	(	PUNCT
f1881j94n34	9	10	imlcr	imlcr	PROPN
f1881j94n34	9	11	)	)	PUNCT
f1881j94n34	9	12	in	in	ADP
f1881j94n34	9	13	treatment	treatment	NOUN
f1881j94n34	9	14	planning	planning	NOUN
f1881j94n34	9	15	for	for	ADP
f1881j94n34	9	16	radiosurgery	radiosurgery	PROPN
f1881j94n34	9	17	.	.	PUNCT
f1881j94n34	10	1	mlc	mlc	PROPN
f1881j94n34	10	2	rotation	rotation	PROPN
f1881j94n34	10	3	was	be	AUX
f1881j94n34	10	4	studied	study	VERB
f1881j94n34	10	5	using	use	VERB
f1881j94n34	10	6	a	a	DET
f1881j94n34	10	7	scoring	scoring	NOUN
f1881j94n34	10	8	function	function	NOUN
f1881j94n34	10	9	which	which	PRON
f1881j94n34	10	10	models	model	VERB
f1881j94n34	10	11	the	the	DET
f1881j94n34	10	12	maximum	maximum	ADJ
f1881j94n34	10	13	safely	safely	ADV
f1881j94n34	10	14	deliverable	deliverable	ADJ
f1881j94n34	10	15	dose	dose	NOUN
f1881j94n34	10	16	.	.	PUNCT
f1881j94n34	11	1	the	the	DET
f1881j94n34	11	2	variation	variation	NOUN
f1881j94n34	11	3	observed	observe	VERB
f1881j94n34	11	4	in	in	ADP
f1881j94n34	11	5	the	the	DET
f1881j94n34	11	6	scoring	scoring	NOUN
f1881j94n34	11	7	function	function	NOUN
f1881j94n34	11	8	indicates	indicate	VERB
f1881j94n34	11	9	that	that	SCONJ
f1881j94n34	11	10	collimator	collimator	NOUN
f1881j94n34	11	11	rotation	rotation	NOUN
f1881j94n34	11	12	can	can	AUX
f1881j94n34	11	13	raise	raise	VERB
f1881j94n34	11	14	the	the	DET
f1881j94n34	11	15	maximum	maximum	ADJ
f1881j94n34	11	16	deliverable	deliverable	ADJ
f1881j94n34	11	17	dose	dose	NOUN
f1881j94n34	11	18	.	.	PUNCT
f1881j94n34	12	1	when	when	SCONJ
f1881j94n34	12	2	the	the	DET
f1881j94n34	12	3	tumor	tumor	NOUN
f1881j94n34	12	4	is	be	AUX
f1881j94n34	12	5	large	large	ADJ
f1881j94n34	12	6	and/or	and/or	CCONJ
f1881j94n34	12	7	has	have	VERB
f1881j94n34	12	8	nearby	nearby	ADJ
f1881j94n34	12	9	critical	critical	ADJ
f1881j94n34	12	10	structures	structure	NOUN
f1881j94n34	12	11	(	(	PUNCT
f1881j94n34	12	12	tolerance	tolerance	NOUN
f1881j94n34	12	13	<	<	X
f1881j94n34	12	14	=	=	X
f1881j94n34	12	15	50	50	NUM
f1881j94n34	12	16	%	%	NOUN
f1881j94n34	12	17	of	of	ADP
f1881j94n34	12	18	the	the	DET
f1881j94n34	12	19	tumor	tumor	NOUN
f1881j94n34	12	20	's	's	PART
f1881j94n34	12	21	prescription	prescription	NOUN
f1881j94n34	12	22	)	)	PUNCT
f1881j94n34	12	23	,	,	PUNCT
f1881j94n34	12	24	collimator	collimator	NOUN
f1881j94n34	12	25	rotation	rotation	NOUN
f1881j94n34	12	26	has	have	VERB
f1881j94n34	12	27	the	the	DET
f1881j94n34	12	28	greatest	great	ADJ
f1881j94n34	12	29	impact	impact	NOUN
f1881j94n34	12	30	and	and	CCONJ
f1881j94n34	12	31	is	be	AUX
f1881j94n34	12	32	worth	worth	ADJ
f1881j94n34	12	33	considering	consider	VERB
f1881j94n34	12	34	.	.	PUNCT
f1881j94n34	13	1	collimator	collimator	NOUN
f1881j94n34	13	2	angle	angle	NOUN
f1881j94n34	13	3	selection	selection	NOUN
f1881j94n34	13	4	could	could	AUX
f1881j94n34	13	5	play	play	VERB
f1881j94n34	13	6	an	an	DET
f1881j94n34	13	7	important	important	ADJ
f1881j94n34	13	8	role	role	NOUN
f1881j94n34	13	9	in	in	ADP
f1881j94n34	13	10	improving	improve	VERB
f1881j94n34	13	11	the	the	DET
f1881j94n34	13	12	quality	quality	NOUN
f1881j94n34	13	13	of	of	ADP
f1881j94n34	13	14	treatment	treatment	NOUN
f1881j94n34	13	15	plans	plan	NOUN
f1881j94n34	13	16	for	for	ADP
f1881j94n34	13	17	radiosurgery	radiosurgery	NOUN
f1881j94n34	13	18	.	.	PUNCT