Ihc comprehensive panelimmuno-histochemistry reportlab no: hl-4159-23, ia-16-24nature of specimen: ?endometriosis nodule, biopsy. Clinical details: severe lower abdomen and leg pain. Usg: endometriosis nodule. Overall features are suggestive of a metastatic adenocarcinoma. Gross examination: ic performed on block: 4159 b.microscopic examination: metastatic adenocarcinomaimpression: metastatic adenocarcinoma favor lower gi primary (colorectal including appendiceal origin. Advise: clinical and imaging correlation, msi, and family studies. Note: this case is also seen and co-signed by Dr. sarita mittal (consultant and head of histopathology)