[Retracted] Detection Rate and Prognosis of Lymph Nodes in Gastric Cancer Using Nano Carbon Combined with In Vitro Anatomical Sorting

Figure 4

Black staining of LNs in nano carbon group. (a) Number of black staining LNs in a different LN substation. (b) Number of black staining LNs among micro-LNs. (c) and (d) Comparison of positive LN number in black and nonblack staining LNs.

(a)

(b)

(c)

(d)