Right-sided versus left-sided colorectal cancer in elderly patients: a sub-analysis of a large multicenter case-control study in Japan.

ABSTRACT:

Purpose

This study investigated the impact of sidedness of colorectal cancer (CRC) in elderly patients on the prognosis.

Methods

In a sub-analysis of a multicenter case-control study of CRC patients who underwent surgery at ≥ 80 years old conducted in Japan between 2003 and 2007, both short- and long-term outcomes were compared between right-sided colon cancers (RCCs) and left-sided colorectal cancers (LCCs). RCCs were defined as those located from the cecum to the transverse colon.

Results

Among the 1680 patients who underwent curative surgery, 812 and 868 had RCCs and LCCs, respectively. RCCs were more frequent than LCCs in those who were female, had renal comorbidities, and had a history of abdominal surgery. Regarding tumor characteristics, RCCs were larger, invad

SUBMITTER: Sada H 

PROVIDER: S-EPMC11413077 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature