Moreover, IHC analysis of human biopsy tumor microarrays (TMAs) of a cohort of 231 patient samples from the APGI further revealed that high stromal pTyr397-FAK was also predictive of poor clinical survival in patients with early fibrosis, as assessed via costaining with Picrosirius red (Fig. 1F and fig. This evidence concerns the gene PTK2 and neoplasm.