1. Have a finding of a mass lesion on mammography or breast MRI (BIRADS 0, 4 or 5) that is >0.5 cm and < 2 cm in size and has had or will have additional workup with focused ultrasound. 
2. Have a finding of a mass lesion on ultrasound (BIRADS 0, 4 or 5) that is > 0.5 cm and < 2 cm in size. 
3. Have a positive finding on MBI that is < 2 cm in size and requires additional diagnostic workup with focused ultrasound. 

NCT01806558_inc_T1
Condition
mass lesion
NCT01806558_inc_T2
Procedure
mammography
NCT01806558_inc_T3
Procedure
breast MRI
NCT01806558_inc_T4
Measurement
BIRADS
NCT01806558_inc_T5
Value
0, 4 or 5
NCT01806558_inc_T6
Condition
mass lesion
NCT01806558_inc_T7
Value
>0.5 cm and < 2 cm
NCT01806558_inc_T8
Measurement
size
NCT01806558_inc_T9
Scope
mammography or breast MRI (BIRADS 0, 4 or 5)
NCT01806558_inc_T11
Procedure
ultrasound
NCT01806558_inc_T12
Measurement
BIRADS
NCT01806558_inc_T13
Value
0, 4 or 5
NCT01806558_inc_T14
Value
> 0.5 cm and < 2 cm
NCT01806558_inc_T15
Measurement
size
NCT01806558_inc_T17
Procedure
MBI
NCT01806558_inc_T18
Condition
positive finding
NCT01806558_inc_T20
Value
< 2 cm
NCT01806558_inc_T21
Measurement
size