A left-sided hemi-thorax derived from patient CT data. The VATS Trainer for Explant Left-Side is designed to accommodate a porcine heart lung block as the dissectible tissue for lobectomy. It offers all pertinent landmarks for skills development in thoracoscopic lobectomy and lung resection surgeries. The trainer presents a patient in a lateral decubitus position with exposed anterior and posterior thoracic wall. The replaceable, inciseable skin/muscle element supports trocars and is comprised of our renowned mimetic tissue. Ribs may be palpated beneath the soft tissue for procedural port placement. The trainer is equipped with a tray to capture tissue effluence and is easily disassembled for cleaning.