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:
The Bureau of Economic Analysis combines the city of Fredericksburg with neighboring Spotsylvania County for statistical purposes. Located near where the Rappahannock River crosses the Fall Line, Fredericksburg was a prominent port in Virginia during the colonial era.