She was otherwise well until 5/4/97 when stationed in a more rural area of Nigeria, she noted a dull ache in both knees (lateral to the patellae) and proximal tibia, bilaterally. 
She was otherwise well until 5/4/97 when stationed in a more rural area of Nigeria , she noted a dull ache in both knees ( lateral to the patellae ) and proximal tibia , bilaterally .