Table 2 The distribution of BCCs and WSIs into the different classes.

From: Weakly supervised detection and classification of basal cell carcinoma using graph-transformer on whole slide images

 

All included

Training and validation set

Hold-out test set

Number of cases

WSIs

Number of cases

WSIs

Number of cases

WSIs

Total

479

1832

369

1435

110

397

2 classes (Task 1)

 No tumor

4

745*

2

594

2

151

 Tumor

475

1087

367

841

108

246

3 classes (Task 2)

 No tumor

4

745

2

594

2

151

 Low risk

219

506

178

403

41

103

 High risk

256

581

189

438

67

143

5 classes (Task 3)

 No tumor

4

745

2

594

2

151

 Low aggressive superficial

81

230

63

177

18

53

 Low aggressive nodular

138

276

115

226

23

50

 Medium aggressive

138

294

98

215

40

79

 High aggressive

118

287

91

223

27

64

  1. BCCs were classified according to the WSI with the worst grade tumor belonging to that BCC.
  2. *These represent slides from BCC excisions which represented healthy skin.
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