FN1 and colorectal carcinoma: Similarly, Liang et al. found that with faecal Fn alone, the sensitivity and specificity of CRC diagnosis was 82.0% and 80.7%, respectively, while the sensitivity increased to 92.8% when faecal Fn was used in combination with FIT plus testing for the DNA of other faecal bacteria (i.e. Bacteroides clarus, Roseburia intestinalis, Clostridium hathewayi, and one undefined species, labelled as m7) (Liang et al., 2017) (Table 13).