Table 2 Common clinical data elements

Patient information

 Contact details

 Current or past professional activity

 Medical contact details

 Personal and family relevant medical history

Preoperative work

 Occupational/environmental exposure (asbestos, erionite, mica, etc.)

 Etiology

 Diagnosis date and circumstances

 Height

 Weight

 Imaging: MRI, CT-TDM, PET scan

 Biology: tumor markers, creatinine

 Neoadjuvant treatments:

  PIPAC

  Chemotherapy: dates, no. cycles, regimen

  Radiotherapy: dates, dose (Gy)

  Surgery: date, intervention (laparotomy, CRS)

Peroperative data

 Date of surgery

 ASA score

 ECOG Performance Status

 Peritoneal Cancer Index (PCI)

 CCR score

 Spleen removal surgery

 Time of surgery

 Intraperitoneal chemotherapy:

  HIPEC modalities

  Chemotherapeutic agent(s) used

  Dose

 Type of postoperative analgesia

90-day postoperative follow-up

 Major complications (based on CTCAE v4.0):

  Hematologic

  Cardiovascular

  Inflammatory fever

  Surgical

  Hemorrhage, hemoperitoneum, intra-abdominal hematomas

  Gastrointestinal

  Pulmonary

  Nephrologic

  Urologic

 Re-intervention (surgery)

 Image-guided drainage

 Endoscopic treatment

 Radiologic treatment

 Duration of ICU

 Hospital stay

 90-day vital status