MORC2 and neoplasm: In our retrospective study, we comprehensively evaluated the role of clinicopathological factors, MORC2 and TILs in predicting the efficacy of NAC in TNBC patients through analyzing 50 pre-NAC core biopsies and comparing the clinicopathological factors, the expression of MORC2 on tumor cells and the percentage of TILs with pCR rate of NAC.