Figure 1. Overview of CRC classification studies. (A and B) Graphic showing the clinical and biological characteristics and gene signatures of Colon Cancer Subtypes (CCS) (A) and CRCassigner subtypes (B). SSA, sessile serrated adenoma; TA, transit-amplifying; CR-TA, cetuximab-resistant TA; CS-TA, cetuximab-sensitive TA; DFS, disease-free survival.