[Retracted] Nomogram Prediction Model Analysis of Risk Factors for Conversion to Thoracotomy after Thoracoscopic Resection of Lung Cancer and Prognostic Value of Lung Cancer

Table 1

Patients’ conversion to thoracotomy.

Patient	Reason for conversion to thoracotomy	Cases	Proportion
Conversion to thoracotomy ()	Hemorrhage	1	1.04%
	Unclear hilar structure separation	1	1.04%
	Tumor invasion to obvious blood vessels or near hilar	3	3.13%
	Severe adherent enlarged lymph nodes	2	2.08%
	Dysplasia of interlobular fissure	1	1.04%
Thoracoscopic surgery ()		88	91.67%
Total		96	100%