12 May 2026
: Case report 
Sleeve Resection of the Right Upper Lobe for Tracheobronchial Metastasis of Hepatocellular Carcinoma With Superior Vena Cava Involvement: A Case Report and Literature Review
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Rare disease
Peng Cao ABEF 1,2, Yulin Wang BCDF 1,3, Qing Wang ABCD 1, Wei Cai ABE 1,4, Rui Zhang
DG 2, Zhigang Li ABCDG 1*, Junfeng Geng ABCDEFG 1
DOI: 10.12659/AJCR.952125
Am J Case Rep 2026; 27:e952125
Figure 3 Representative immunohistochemical staining profiles of the endobronchial metastatic hepatocellular carcinoma. (A) GPC3 medium-power magnification positive. (B) Arg-1 medium-power magnification positive. (C) AFP medium-power magnification weakly positive. (D) TTF-1 medium-power magnification negative. GPC3 – glypican 3; Arg-1 – arginase-1; AFP – alpha fetoprotein; TTF-1 – thyroid transcription factor 1.