Analysis of the hospitalized group was not possible owing to the lack of available tissue (n = 3). (jamanetwork.com)
They can be a challenge to close because of a scarcity of available tissue to lap over the defect. (2ndchance.info)
Patients often have available tissue blocks from nephrectomy specimens, but not from metastatic sites for analysis of biomarker expression, yet metastatic specimens are typically treated with systemic therapy, after nephrectomy. (jcancer.org)