The insufficiency of CT examination in early detection of central lung squamous cell carcinoma and squamous epithelial precancerous lesions

Table 3 Comparison of surgical results of single central lung squamous cell carcinoma and peripheral lung adenocarcinoma

	Single central squamous cell carcinoma	Peripheral adenocarcinoma	P Value
	n = 604	n = 3569
Number (%)
Number of postoperative pulmonary lymph node metastases	308/604(50.99%)	466/3569(13.06%)	P < 0.0001

The proportion of patients with lymph node metastasis: the number of patients with lymph node metastasis/the number of patients undergoing operations

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