Accordingly, SiMBiT displayed a sensitivity of 91% (95% CI: 71%–99%), a specificity of 99% (95% CI: 87%–100%), a PPV of 95% (95% CI: 76%–100%), and an NPV of 95% (95% CI: 83%–99%) for the detection of mucin-producing neoplasms. The gene discussed is MUC5AC; the disease is neoplasm.