an increasing trendP = 0.562
Lung metastasis positivity rate As time goes on, the lung metastasis positivity rate showed an increasing trend in each group, there was no significant difference on day 7 ( P = 0.562).
Lung metastasis positivity rate As time goes on, the lung metastasis positivity rate showed an increasing trend in each group, there was no significant difference on day 7 ( P = 0.562).