Она прижалась к груди мужа. | She pressed herself to her husband's chest. |
Его грудь была мускулистая и волосатая. | His chest was muscular and hairy. |
NB When the word грудь functions as a subject and does not have a descriptive modifier, the construction грудь у + Genitive is often preferred to (a) and (b), above: | |
Грудь у него была мускулистая и волосатая. | His chest was muscular and hairy. |