title: Preoperative Lower Body Mass Index Correlates with Poorer Prognosis in Patients Undergoing Curative Laparoscopic Surgery for Colorectal Cancer.
abstract: OBJECTIVE
  The aim of this study was to investigate the correlations between clinicopathological findings, laboratory data and survival outcome in patients undergoing curative laparoscopic surgery for colorectal cancer (CRC).
  
  
  METHODS
  Clinicopathological findings and laboratory data, including tumor markers carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA19-9) and systemic inflammatory response indicators, neutrophil-to-lymphocyte ratio (NLR) and modified Glasgow prognosis score (mGPS), for 204 patients (tumor stage I-III) undergoing laparoscopic curative surgery for CRC were collected.
  
  
  RESULTS
  Elevated CA19-9 and mGPS, and body mass index (BMI) <20 kg/m(2) were significant indicators of poorer overall survival, while CA19-9 and BMI were validated as independent predictors of overall survival. In addition, BMI <20 kg/m(2) was a significant independent factor predictive of poorer disease-free survival. BMI significantly negatively correlated with NLR, which reflects the patients' immune response.
  
  
  CONCLUSIONS
  Lower BMI is a promising predictor of recurrence and poor prognosis in patients treated by laparoscopic surgery for CRC with curative intent.
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Ryo
authors.initials: R
authors.lastname: Uratani
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan ytoi0725@clin.medic.mie-u.ac.jp.
authors.forename: Yuji
authors.initials: Y
authors.lastname: Toiyama
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Tadanobu
authors.initials: T
authors.lastname: Shimura
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Koichiro
authors.initials: K
authors.lastname: Mori
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Fujikawa
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Jyunichiro
authors.initials: J
authors.lastname: Hiro
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Masaki
authors.initials: M
authors.lastname: Ohi
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Inoue
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Koji
authors.initials: K
authors.lastname: Tanaka
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Toshimitsu
authors.initials: T
authors.lastname: Araki
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Yasuhiko
authors.initials: Y
authors.lastname: Mohri
authors.affiliation: Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Graduate School of Medicine, Mie University, Mie, Japan.
authors.forename: Masato
authors.initials: M
authors.lastname: Kusunoki
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D014408:Biomarkers, Tumor / Q000032:analysis*; D015992:Body Mass Index; D018395:CA-19-9 Antigen / Q000378:metabolism; D002272:Carcinoembryonic Antigen / Q000378:metabolism; D015179:Colorectal Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D010535:Laparoscopy / Q000401:mortality*; D008113:Liver Neoplasms / Q000401:mortality / Q000556:secondary / Q000601:surgery*; D008207:Lymphatic Metastasis; D008214:Lymphocytes / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009364:Neoplasm Recurrence, Local / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D009367:Neoplasm Staging; D009504:Neutrophils / Q000473:pathology; D011300:Preoperative Care / Q000379:methods*; D011379:Prognosis; D012189:Retrospective Studies; D015996:Survival Rate
chemical_list: D014408:Biomarkers, Tumor; D018395:CA-19-9 Antigen; D002272:Carcinoembryonic Antigen
keywords: Colorectal cancer; body mass index; laparoscopic surgery; prognosis; recurrence