Table I.

PD-L1 expression in tumors

TumorNo. PD-L1 Positive/No. Observed
Thymic neoplasms
 Benign thymoma10/15
 Invasive thymoma11/11
 Thymic carcinoma7/8
Lymphoid neoplasms
 PTCL7/11
 B cell non-Hodgkin lymphoma0/16
Carcinomas
 Bladder, transitional cell4/6
 Breast
  Invasive ductal5/6
  Invasive lobular4/6
 Cervix, squamous3/3
 Colon, adenocarcinoma6/6
 Endometrium1/3
 Gallbladder1/1
 Larynx, squamous3/3
 Liver4/4
 Lung
  Squamous8/8
  Adenocarcinoma6/6
 Ovary1/3
 Salivary5/6
 Stomach, adenocarcinoma2/3
 Thyroid, follicular4/5