PIK3CA and neoplasm: For patients with microsatellite stable (MSS) tumours, further stratification based on mutation status of <i>KRAS, BRAF, PIK3CA, TP53</i> and <i>APC</i> was performed.<h4>Results</h4>A more pro-inflammatory diet was not associated with risk of recurrence [incidence rate ratio (IRR) 1.04, 95% confidence interval (CI) 0.96-1.12].