347P Prognostic impact of signet ring cell proportion in colorectal cancer patients with peritoneal metastases. - Kepenekian, V.; Kefleyesus, A.; Petrides, G.; Barat, S.; Bonnefoy, I.; Valle, S.; Peron, J.; Alzahrani, N.; Glehen, O.; Morris, D. (Annals of Oncology, 2022)