True Anatomy Series Leg Model Includes Soft Tissue Mass Insert. Designed to Aid Clinicians Interested in Developing or Refining Skills Associated with Ultrasound Guided Fine Needle Biopsies or Identification of Soft Tissue Masses. Contains Multiple Lesions Including Masses with Echogenic, Hypoechoic, Cystic, Calcific, Infiltrative, and Complex Ultrasound characteristics.