Table 2.

Radiomic features that may be relevant for predicting the site of tumor recurrence.

Texture type	Texture name	Reference(s)
GLCM	Difference Entropy	(Haralick et al 1975) (19)
GLRLM	Short Run Low Gray-Level Emphasis	(Dasarathy and Holder 1991) (15)
	Long Run Low Gray-Level Emphasis	(Dasarathy and Holder 1991) (15)
	Run Variance	(Thibault et al 2009) (16)
	Long Run Emphasis	(Galloway 1975) (17)
	Low Gray-Level Run Emphasis	(Chu et al 1990) (18)
GLSZM	Size Zone Non-Uniformity Normalized	Thibault et al 2009 (16)
	Small Area Emphasis	Galloway 1975 (17)
	Low Gray-Level Zone Emphasis	Chu et al 1990 (18)
shape	Major Axis	none

GLCM, Gray-level co-occurence matrix; GLRLM, Gray-level run-length matrix; GLSZM, Gray-level size zone matrix.