advanced local disease. It serves as a reminder to include prostatic pathology in the differential diagnosis of elderly males presenting with acute LBO, despite colorectal malignancy being far more common. Endoluminal stenting and transanal resection of the prostate have both been described for palliation of symptoms in this setting but may not be appropriate for all patients. 8,10 The choice of intervention must be individualized and based on the specific clinical context with which a clinician is faced. References 1. Gurel B, Ali TZ, Montgomery EA et al. NKX3.1 as a marker of prostatic origin in metastatic tumors.