TACSTD2 and invasive lobular breast carcinoma: Furthermore, TrMab-6 detected TROP2 in 4/4 cases (100%) of invasive lobular carcinoma, 2/2 cases (100%) of adenocarcinoma, and 1/1 case (100%) of medullary carcinoma (Table II); the typical staining patterns of invasive lobular carcinoma are presented in Fig. 5E and F, and H&E staining was performed as presented in Fig. 5G and H.