Hi, I'd like to view phylogenetic tree using iTOL, but tree shape is different from trees drawn using other tools.

I converted dendrogram to newick using write.dendrogram implemented in phylogram R package.

write.dendrogram(tdend, file="/path/to/dend.newick")

I upleaded dend.newick on iTOL and MEGA, and I also drew tree on R.

Trees drawn using MEGA and R were same, but tree drawn using iTOL was different from that.

Is there any advices?

Thanks,