Third North American Symposium on Skeletal Complications of Malignancy: summary of the scientific sessions.

The current introduction summarizes the five scientific sessions (bone marrow microenvironment and animal models of bone metastasis; prostate carcinoma; multiple myeloma; breast carcinoma; and preclinical and clinical studies on metastasis: future directions) and provides an overview of the proceedings of the Third North American Symposium on Skeletal Complications of Malignancy, Bethesda, Maryland, April 25-27, 2002.