We are now taking applications for a postdoctoral fellowship studying the tumor microenvironment in the childhood cancer of muscle, rhabdomyosarcoma. This mentored position will explore at depth the cell-cell communication and signaling pathways responsible for tumor initation and progression. A strong publication record and sense of exploration are requisite. Candidates with PhD degrees in the biological sciences as well as engineering are invited to apply. For more information, contact Charles Keller, MD at firstname.lastname@example.org.