my daughter is 4 years and 8 months old.she is a very few often complaing that , she feels a slight pain in chest while loughing.but soon after she gets busy wiht her plaing , jumping and others..... she is having two separate antibiotics for 5 days.due to an abdiminal problem.the doctor said its Mesenteric Lymphadenities.she got blood test ,ultrasound,and urin test for this abdominal problem,wher her urin test and ultrasound could 'nt find anything.but her WBC is 14.