Table 4. Average FPR Depending on the Number of BMs Per Patient.

	Standard U-Net	Modified U-Net	Modified U-Net with GAN
Patients with tumor count <4	1.17	0.83	0.67
Patients with tumor count ≥4	3.75	2.25	1.25

FPR, false-positive rate; BMs, brain metastases; GAN, generative adversarial network.