Role of ¹⁸F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in the Diagnosis of Newly Found Suspected Malignant Solitary Pulmonary Lesions in Patients Who Have Received Curative Treatment for Colorectal Cancer

Table 2

Characteristics of patients with lung metastases and primary lung cancer.

Variable	Primary lung cancer	Lung metastasis	value
Sex			0.146
Male	12	17
Female	3	12
Age, years, median (range)	65 (49–77)	62 (48–77)	0.211
BMI, median (range)	25.7 (20.3–30.8)	24.5 (18.2–36.3)	0.833
Primary tumor site			0.459
Colon	5	13
Rectum	10	16
Pathological stage			0.003
I-II	14	15
III-IV	1	14
Treatment
Adjuvant chemotherapy			0.019
Yes	8	26
No	7	3
Recurrence			0.149
Yes	0	5
No	15	24
Time since surgery, months, median (range)	23 (4–144)	30 (3–104)	0.901

BMI: body mass index.