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Table 1 Immunohistochemistry results for the lung and kidney tumors

From: Targeted sequencing identifies the mutational signature of double primary and metastatic malignancies: a case report

Antibodies used for IHC Lung Kidney
Cytokeratin 5/6 (CK-5/6) + +++
Cytokeratin 7 (CK-7) ++
Thyroid transcription factor − 1 (TTF-1) +++
Cytokeratin 20 (CK-20)
CDX-2 NA
NapsinA +++
Ki-67 20% 60%
P40 + NA
P63 NA +++
PAX-8 NA
Vimentin NA
CD56 NA
S-100 NA
  1. Note: +, positive immunoreactivity; −, negative result; NA, not applicable/tested