ArticleCancers2026
Predictors of Peritoneal Surface Recurrence and Quantitative Association with Time to Relapse After Complete CRS/HIPEC for Colorectal Peritoneal Metastasis.
Article in Cancers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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8 authors.
Funding
Abstract
BACKGROUND/
objectivesPeritoneal surface metastases (PSMs) from colorectal cancer have high rates of peritoneal recurrence after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). Prior studies dichotomize peritoneal recurrence into "early" and "late," limiting insight into how clinicopathologic factors influence recurrence timing. This study aimed to identify predictors of peritoneal recurrence and quantify their continuous association with time to recurrence following CRS/HIPEC.
methodsPatients undergoing CC-0 CRS/HIPEC for colorectal PSM from 2018 to 2024 were identified from a prospectively maintained database. The primary outcome was peritoneal surface recurrence. Variables included peritoneal cancer index (PCI), tumor location, histology, HIPEC regimen, and KRAS/BRAF/SMAD4 status. Factors with
resultsAmong 133 patients, 64 (48.1%) developed peritoneal recurrence. Median time to recurrence was 41.4 weeks (IQR 24.9-74.0), and PCI was higher among those who recurred (median 11.0 vs. 5.0,
conclusionsNearly half of patients with colorectal PSM recurred despite complete CRS/HIPEC. Tumor location predicted peritoneal recurrence, while PCI independently shortened time to relapse. Modeling PCI as a continuous predictor refines postoperative risk stratification and may inform individualized surveillance strategies.
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