LVI: lymphovascular invasion; PNI: perineurial invasion; R: recurrence; %SMA+T.Cells: percentage of SMA positive tumor cells reported to the total number of cells; H-Score: histological score; SMA.D: density of SMA positive tumor cells; SMA.I: intensity of SMA positive tumor cells; αSMA_TS: tumor score for SMA positive tumor cells. This evidence concerns the gene SMN1 and neoplasm.