Fig. 5From: Report of a case with T1a gallbladder poorly differentiated adenocarcinoma, solid type, which developed into lymph node metastasesA histological finding showed cancer was growing limited to the mucosa (a and b). According to the no tubular formation and high nuclear grade, it was diagnosed poorly differentiated adenocarcinoma, solid type (c). Ki 67 labeling index was high value at 70–80 % (d)Back to article page