ORLANDO (EGMN) - More attention needs to be paid to intermediate-risk patients with anal carcinoma, according to investigators who demonstrated a significant relationship of tumor and node categories to overall survival, relapse, and colostomy failure in a critical phase III chemoradiation trial.Patients with two risk factors - a high T category based on tumor size, and nodal involvement (N1-3) - have the worst survival and highest relapse rates, Dr. Leonard L. Gunderson told attendees at a meeting...