“…The strongest factors predicting DT recurrence after surgery are represented by tumor size and site and patient age [ 24 , 25 , 26 ]. Among sites, abdominal DT have decreased recurrence rates after surgery compared to extra-abdominal locations [ 24 , 25 , 26 ]. The impact of microscopic margin positivity on tumor relapse is not clear, as it was not found to be predictor of a worse local control in some series [ 24 , 25 , 27 , 28 ], while being associated in others [ 19 , 29 ].…”