Table 5.

Summary of image techniques, methods, and features extracted in the reviewed studies to build predictive models on cancer prognosis.

Methods	Type of Data	Features	Used by
Image segmentation and hand-crafted features	WSIs	Quantitative image features	[27,28,37,48,54]
		ROIs from WSIs	[80,99,103,104,105,107]
	MRI images	Quantitative image features	[87]
	CT images	ROIs	[101,105]

Abbreviations: WSIs, Whole-Slide Images; MRI, Magnetic Resonance Imaging; CT, Computed Tomography; ROIs, Regions of Interest.