Erdheim-Chester disease is a non-Langerhans cell histiocytosis that is progressive and may lead on to multi-organ involvement. Pulmonary involvement is rare, its presentation is nonspecific, and it carries an adverse outcome. Several radiological features, when considered together, may point to the diagnosis.
Aggregate household income in Fredericksburg in 2016: $47,612,316 Distribution of median family income in 2016 (number of people) Median family income in Fredericksburg by age in 2016:
Fredericksburg, VA | Stafford County Public Schools. At Stafford Sr. High, students have the opportunity to take Advanced PlacementÂ® course work and exams. The APÂ® participation rate at Stafford Sr. High is 52 percent. The student body makeup is 51 percent male and 49 percent female, and the total minority enrollment is 32 percent.