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S170reports of practical oncology and radiotherapy 1 8 ( 2 0 1 3 ) S164-S185 contralateral breast, humeral head, spinal cord, skin and ipsolateral lung). We also compared the uniformity and the van't Riet conformation indexes.Results. Comparing the techniques by pairs, the results indicated that the segmented technique is superior to classical for breastonly cases, specially for left breasts due to heart sparing. No significances were observed for chest wall and lymph nodes cases except better avoidance of OAR dose for segmented. IMRT is statistically better than classical for all kind of cases, though it carries more low doses for OAR. Finally, IMRT is superior to segmented for breast-only and lymph nodes cases, but they are statistically equiparable for chest walls. Again IMRT supposes more low doses for OAR. Conclusion. This pilot study has given us a better understanding of the capabilities of every technique and helped us decide the most appropriate dosimetric planning protocol for every breast case.http://dx.