Table 1 List of characteristics and outcomes extracted from each review

Date assessed as up to date

Positive radial margin (%)

Postoperative mortality (%, 30 day)

Population

Positive distal margin (%)

Length of hospital stay (days)

Intervention(s)

Radial margin distance (cm)

Overall morbidity (%)

Study types

Distal margin distance (cm)

Local recurrence (%)^a

Reported outcomes

Operative time (min)

Distal metastases (%)^a

Review limitations

Nodes harvested (n)^a

Port site or wound metastases (%)^a

Anastomotic leak (%)

Cancer-related mortality (%)^a

Pneumonia (%)

Disease-free survival (%)^a

Urinary tract infection (%)

Overall survival (%)^a

Surgical site infection (%)