X0203 0001143313 AMERICAN STOCK EXCHANGE LLC 0001031329 RADIOLOGIX INC 000-23311

3600 JPMorgan Chase Tower 2200 Ross Avenue Dallas TX TEXAS 75201-2776

(214) 303-2776 Common Stock, Par Value $1.00 17 CFR 240.12d2-2(a)(3) Kerri L. Ramirez Manager, Corporate Actions and Proxy Rulings 2006-11-16