28. IMRT Plan : 95% isodose covering PTV Cobalt Plan: 90% isodose covering TV
29. IMRT Plan: Good coverage in other sections Cobalt Plan: Slight dipping of isodose lines near the lt eye due to fixed shielding block , can be improved with Cerrobent blocks
30. DVH : Cobalt plan has comparatively similar DVHG to IMRT with considerable normal issue low doses