A = 0 (x 1.3) = 0;
B = 8 (x 0.1) = 0.8;
C = 2 [light-brown, dark-brown] (x 0.5) = 1;
D = 2 [network, globules] (x 0.5) = 1;
TDS = 2.8 (benign)

Histopathologic diagnosis: Clark nevus


A = 1 (x 1.3) = 1.3;
B = 4 (x 0.1) = 0.4;
C = 3 [light-brown, dark-brown, black] (x 0.5) = 1.5;
D = 2 [network, dots] (x 0.5) = 1;
TDS = 4.2 (benign) 

Histopathologic diagnosis: Clark nevus



A = 2 (x 1.3) = 2.6;
B = 5 (x 0.1) = 0.5;
C = 4 [light/dark-brown, blue-gray, black, white] (x 0.5) = 2;
D = 4 [homogeneous areas, streaks, dots, globules] (x 0.5) = 2;
TDS = 7.1 (malignant)

Histopathologic diagnosis: melanoma



A = 0 (x 1.3) = 0;
B = 0 (x 0.1) = 0;
C = 2 [light-brown, dark-brown] (x 0.5) = 1;
D = 2 [network, dots] (x 0.5) = 1;

TDS = 2.0 (benign)

Histopathologic diagnosis: Clark nevus



A = 2 (x 1.3) = 2.6;
B = 3 * (x 0.1) = 0.3;
C = 4 [light-brown, dark-brown, blue-gray, black] (x 0.5) = 2;
D = 4 [network, streaks, dots, globules] (x 0.5) = 2;

TDS = 6.9 (malignant)

Histopathologic diagnosis: melanoma



A = 2 (x 1.3) = 2.6;
B = 3 * (x 0.1) = 0.3;
C = 4 [light-brown, dark-brown, blue-gray, black] (x 0.5) = 2;
D = 4 [network, homogeneous areas, streaks, globules] (x 0.5) = 2;

TDS = 6.9 (malignant) 

Histopathologic diagnosis: melanoma