AUG 12, 2026 · JOURNAL ARTICLE
Quantitative and qualitative patient-reported analysis of misdiagnosis and/or late diagnosis of metastatic lobular cancer
npj Breast Cancer
A patient-reported survey study using descriptive statistics without a control group or comparator; establishes prevalence of reported misdiagnosis in metastatic invasive lobular cancer but lacks analytical rigor and hard clinical outcomes.
Reported
Misdiagnosis prevalence26.2% (n=84 of 321)
Patients with ≥2 misdiagnoses31% (n=26 of 84 misdiagnosed)
Patients waiting ≥1 year for diag…44.5%