Ki-67 index was 13.2% (IQR 6.4–37.8%) in T1 (n = 4), 11.1% in T2 (n = 1), 27.8% (IQR 17.4–36%) in T3 carcinomas (n = 10) and 15.4% (IQR 1.8–27.4%) in T3 sarcoma (n = 6) and 39% (IQR 28.5–43.1%) T4 carcinomas (n = 3) and 17.3% T4 sarcoma (n = 1). This evidence concerns the gene MKI67 and sarcoma.