This English term can be transliterated into Tagalog as brest.
súso
breast
malalaking súso
large breasts
dibdíb
chest
The word dibdíb can also be used as a euphemism for breast.
utóng
nipple
matitigas na utóng
hard nipples
Chicken breast would be petso ng manok. Petso, from the Spanish pecho, is also sometimes transliterated as pitso.