Table 4:

A more exhaustive list of the terms used for building the constraints for a set of spatial triggers in the dataset.

Spatial trigger	Terms to the left	Terms to the right
of	mri, mra, mrv, xray, projection, babygram, head, view, history, evidence, suggestive, possibility, evaluation, repositioning, ct, loop, free, level, floor, top, area, circle, suggestion, remainder, shortness, position, component, foci, focus, hour, examination, date, study, reposition, positioning	time, position, normal, certain, uncertain
with	made, correlation, brain, xray, ct, mri, mra, mrv, projection, infant, patient, baby, compatible, consistent, catheter, associated	previous, prior, known, exam, lead, port, sideport, wire, its, no, tip, distal
to	appear, similar, due, compared, rotated, made, secondary, attributed, related	suggest, assess, be
in	increase, decrease, normal, result	size, position, good, satisfactory, appearance, (+ limit as the second or third term to the right)
show/demonstrate	mri, mra, mrv, xray, projection, babygram, head, view, history, ct, which	-
from	mri, mra, mrv, xray, projection, ct, lead, port, sideport, wire	-
on	as, appearance	mri, mra, mrv, xray, projection, ct, chest, brain, head
for	evidence, assess	-
is/are	there, finding, findings, noted, demonstrated, size, this, nonspecific	normal, stable, clear, maintained, preserved, age-appropriate, unchanged, identified, made, within, recommended, removed, repositioned, replaced, low, high, seen, located, present, absent, unremarkable, remarkable, marked, approximately, noted, no, in, large, larger, small, smaller, otherwise, intact, slightly
has been	-	removed, repositioned, replaced, reviewed, resolution
within	-	normal
has/have	-	increased, decreased, improved
above	described	-
by	edited, recommended, suggested, reviewed, signed, read	-
over	-	to
at	-	time mentions (example format-8:18 AM)
on/to	-	left, right (second term to the right)
all	image, imaging, radiograph, radiography, film, series, comparison is made, time, map (any of these terms to the left of the trigger with window length 3)	image, imaging, radiograph, radiography, film, series, comparison is made, time, map (any of these terms to the right of the trigger with window length 3)