Transanal Minimally Invasive Surgery for a Gastrointestinal Stromal Tumor of the Lower Rectum: A Case Report.

Rectal gastrointestinal stromal tumors (GISTs) are prevalent in the lower rectum, and the existing literature suggests that transanal interventions are advantageous for anorectal preservation. Herein, we present a case of rectal GIST resection using transanal minimally invasive surgery. A 75-year-old woman reported vaginal discomfort and was subsequently diagnosed with GIST via transanal tumor biopsy.

Impact of Low Muscularity and Myosteatosis on Long-term Outcome After Curative Colorectal Cancer Surgery: A Propensity Score-Matched Analysis.

Background: Muscle loss, characterized by reduced muscle mass (myopenia), and infiltration by intermuscular and intramuscular fat (myosteatosis), predicts a poor short-term prognosis in patients with colorectal cancer. However, little is known about the influence of myopenia and myosteatosis on long-term outcomes.

Objective: The present study aimed to evaluate the prognostic influence of both myopenia and myosteatosis on long-term outcomes after curative colorectal cancer surgery.