Aplastica is a set of techniques used to remove tumors and prevent their recurrence, as well as the implantation of cancer cells in the wound. Methods of ablation: extensive destruction of a single block tumor abroad together with surrounding tissues and regional lymph nodes (after preliminary ligation of vesselscoming from the tumour body); irrigation operating wounds with alcohol or solutions tiofosfamida (Thiotepa); frequent change during surgery, surgical tools, clothes and gloves; careful handling of the surgeon with tissues.