A novel diagnostic model for differentiation of lung metastasis from primary lung cancer in patients with colorectal cancer
ObjectiveThis study aimed to evaluate the 18F-FDG PET/CT in differentiating lung metastasis(LM) from primary lung cancer(LC) in patients with colorectal cancer (CRC).MethodsA total of 120 CRC patients (80 male, 40 female) who underwent 18F-FDG PET/CT were included.The diagnosis of primary lung cancer or lung metastasis was based on histopathology T