Early-Onset Signet-Ring Cell Adenocarcinoma of the Colon: A Case Report and Review of the Literature

Figure 1

Signet-ring cell adenocarcinoma infiltrating through the muscularis propria (MP) into pericolic adipose tissue (PC) and involving regional lymph nodes (arrow). The signet-ring cells are seen infiltrating through tissue and extending to the serosal surface (A) and are seen floating in mucin (B).