Serrated adenocarcinoma of sigmoid colon with mismatch repair protein-proficient phenotype: Histopathological recognition of a new subtype of colorectal adenocarcinoma.

Serrated adenocarcinoma is a distinct subtype of colorectal carcinoma characterized by unique histological and molecular features. Here we present a case study of a 58-year-old female patient who presented with generalized weakness, abdominal discomfort, and per-rectal bleeding. This case report highlights the importance of understanding the histopathological features of serrated adenocarcinoma for accurate diagnosis which has impact on further management.