Adenocarcinomas showed a significantly higher expression for PCAT19 (p = 4.14 × 10–18), FENDRR (p = 0.011), LANCL1-AS1 (p = 1.26 × 10–4), LINC00968 (p = 3.97 × 10–12) and ADAMTS9-AS2 (p = 1.92 × 10–44) when compared to squamous cell carcinomas. Here, ADAMTS9 is linked to adenocarcinoma.