1. Are all RAS mutations the same? Coexisting KRAS and NRAS mutations in a caecal adenocarcinoma and contiguous tubulovillous adenoma. Issue 8 (29th April 2015) Authors: Vagaja, N N; Parry, J; McCallum, D; Thomas, M A; Bentel, J M Journal: Journal of clinical pathology Issue: Volume 68:Issue 8(2015) Page Start: 657 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗