IL23A and neoplasm: In contrast, positive nuclear staining for IL-23p19 occurred in 45 tumours (23.1%) and was significantly associated with a smaller tumour diameter (p=0.0333), early pT classification (p=0.0213), earlier TNM stage (p=0.0186), absence of vascular invasion (p=0.0124), and absence of lymphatic invasion (p=0.0493).