Table 1.

Number of studies with recommended modality and interval

	Number of studies
(A) Recommended modality
CR/computed radiography	88
CT/computed tomography	245
PT/Position emission tomography	12
MG/mammography	12
MR/magnetic resonance	157
US/ultrasound	117
NM/nuclear medicine	12
XA/X-ray angiography	1
RF/radio fluoroscopy	1
OT/other	1
(B) Recommended interval
Same day	18
2–6 days	44
7–14 days	34
15–30 days	38
1–3 months	119
3–6 months	39
6–12 months	54
Not explicitly specified	218