axes[0] = 0.95*lung_bbox.GetSize()[0]*spacing[0]/2;
axes[1] = 0.3*lung_bbox.GetSize()[1]*spacing[1]/2;
axes[2] = 1.25*fabs(lung_centroid[2] - center[2]);
axes[0] = 0.95*lung_bbox.GetSize()[0]*spacing[0]/2;
axes[1] = 0.3*lung_bbox.GetSize()[1]*spacing[1]/2;
axes[2] = 1.25*fabs(lung_centroid[2] - center[2]);