Fig. 2From: Resection of the primary tumor improves the prognosis of gastrointestinal neuroendocrine neoplasms with liver metastases: mutual validation based on SEER database and institutional dataOverall survival of patients with and without PTR. a Overall survival of pre-PSM SEER cohort before IPTW stratified by with and without PTR. b Overall survival of post-PSM SEER cohort before IPTW stratified by with and without PTR. c Overall survival of FAH cohort before IPTW stratified by with and without PTR. d Overall survival of pre-PSM SEER cohort after IPTW stratified by with and without PTR. e Overall survival of post-PSM SEER cohort after IPTW stratified by with and without PTR. f Overall survival of FAH cohort after IPTW stratified by with and without PTRBack to article page