Ben Lemieux Clinical Practicum Clinical Lab Assignment July 28, 2015 Plan #1 1. Chart listing all critical structures and their respective TD 5/5. Organs at Risk (OR) Constrain t Dose (cGy) Plan #1 Dose (cGy) Met Constrai nt (Yes or No) Spinal Cord 4500 3027.3 Yes Brain Stem 5000 2783.7 Yes Brain 4500 5903.0 No Lt Lens 1000 59.6 Yes Rt Lens 1000 65.6 Yes Mandible 6500 6626.3 No Oral Cavity 6000 5986.0 Yes Lt Parotid 3200 222.5 Yes 2. Axial images showing 100% (6000 cGy), 95% (5700 cGy), 75% (4500 cGy) and 40% (2400 cGy)