Survival curves. (A) Five-year OS curves based on MBC, IDC and TN-IDC. (B) Five-year DFS curves based on MBC, IDC and TN-IDC. (C) Five-year OS curves for SCC, ASC, SPC, CS and TN-IDC. (D) Five-year DFS curves for SCC, ASC, SPC, CS and TN-IDC.ASC, adenosquamous carcinoma; CS, carcinosarcoma; DFS, disease-free survival; IDC, Invasive ductal carcinoma; MBC, metaplastic breast carcinoma; OS, overall survival; SCC, squamous cell carcinoma; SPC, adenocarcinoma with spindle cell differentiation; TN-IDC, triple-negative invasive ductal carcinoma; TN-MBC, triple-negative metaplastic breast carcinoma.