SEPTIN9 and colorectal carcinoma: The relatively smaller size of the corresponding nodes indicates that combinations of CRC screening techniques (e.g. COL+FIT; FIT+FS etc.), as well as more recently developed screening tests (i.e. Computed tomography colonography [CTC], fecal DNA [fDNA], multi target-stool DNA test [MT-sDNA], plasma DNA [pDNA] and methylated septin 9 gene [mSEPT9] testing were less frequently evaluated.