Related Experiment Video
Updated: Nov 30, 2025

Subcostal Specimen Removal in Completely Portal Robotic Lobectomy
Published on: April 19, 2024
Sublobar Resection Versus Lobectomy for Early-Stage Pulmonary Carcinoid Tumors ≤3 cm in Size: A SEER Population-Based
Song Xu1,2, Xiongfei Li1, Fan Ren1
1Department of Lung Cancer Surgery.
Objective:
This study aimed to determine the optimal surgical procedure for early-stage pulmonary carcinoids (PCs).
Background:
PCs, comprising typical carcinoids (TCs) and atypical carcinoids (ACs), are rare low-grade malignant tumors. We determine the optimal surgical management for early-stage PCs using data from the Surveillance, Epidemiology, and End Results registry.
Methods:
Clinical and survival data of patients with early-stage PC tumors with a diameter ≤3 cm were retrieved. The Kaplan-Meier method and logrank tests were used to assess the differences in overall survival (OS). Subgroup analyses were also performed. To reduce the inherent bias of retrospective studies, two propensity score matching (PSM) analysis with (PSM2) or without (PSM1) consideration of lymph node assessment were performed.
Results:
In total, 2934 patients with PCs, including 2741 (93.42%) with TCs and 193 (6.58%) with ACs, were recruited. After PSM1 analysis, TC patients in the lobectomy group had a significantly better OS than those in the sublobar resection group ( P = 0.0067), which is more remarkable for patients with a tumor diameter of 2 cm
Conclusions:
Sublobar resection may not significantly compromise the longterm oncological outcomes in early-stage PCs ≤3 cm in size if lymph node assessment is performed adequately. Further validation in large randomized clinical trials is warranted.

