bilateral in Polish:

1. dwustronny

Polish word "bilateral"(dwustronny) occurs in sets:

things you didn't know about coca cola
Germany's big businesses' Brexit worries - BBC News
What Trump really meant in those phone calls - BBC...
What Trump really meant in those phone calls - BBC...
What Trump really meant in those phone calls - BBC...

2. obustronny

Polish word "bilateral"(obustronny) occurs in sets:

6 things you didn’t know about Coca-Cola
Angielski medyczny, książka 1., units 1. 2. 3.
16. czerwca (str. 1,2,3)
removablepartial dentures
Medical English

3. obustronnie