На грудях рана.

In present-tense Ukrainian, the verb бути (to be) is usually omitted in simple statements.

So На грудях рана literally looks like On the chest, a wound, but it naturally means There is a wound on the chest.

You can also say На грудях є рана, where є means there is, but the version without є is very normal and natural.

After на when it means a static location (on), Ukrainian normally uses the locative case.

The basic noun is груди.
Its locative plural form is грудях.

So:

• груди = chest / breasts
• на грудях = on the chest / on the breasts

Because Ukrainian and English do not always treat body parts the same way.

In Ukrainian, груди is very often used as a plural noun, even when English would use singular chest. So на грудях can perfectly correspond to English on the chest.

This is just something you learn as part of the noun’s normal usage.

It can mean either, depending on context.

• груди can mean the chest area in general
• it can also mean breasts

In a sentence like На грудях рана, the most natural broad interpretation is usually a wound on the chest. But in the right context, it could also refer specifically to the breasts.

Because на suggests something on the surface of the body.

• на грудях = on the chest (external location)
• у грудях / в грудях = in the chest (inside the chest area)

So if you say:

• На грудях рана — the wound is on the outside
• Біль у грудях — pain in the chest

That is an important difference.

Рана is:

• nominative case
• singular
• feminine

It is the dictionary form of the noun рана (wound).

In this kind of sentence, the thing that exists or is being identified is normally in the nominative, so рана stays in its basic form.

Yes, that is also correct.

The difference is mainly one of word order and emphasis:

• На грудях рана = focuses first on the location; something like There is a wound on the chest
• Рана на грудях = focuses first on the wound; more like A wound on the chest / The wound is on the chest

Ukrainian word order is flexible, so both are possible. The choice depends on what you want to highlight.

Yes.

На грудях є рана is completely grammatical and means the same thing. Adding є makes the idea of existence more explicit: there is a wound.

Still, in everyday Ukrainian, present-tense є is often omitted, so На грудях рана sounds very natural.

Ukrainian has no articles, so рана can mean either a wound or the wound depending on context.

Out of context, English usually translates it as a wound.
In context, it could easily be the wound if the speaker and listener already know which wound is meant.

In standard Ukrainian, г is usually pronounced like a voiced h sound, not like a hard English g.

So грудях is roughly pronounced hroo-dyahkh.

A few helpful points:

• г ≈ a soft voiced h
• у = oo
• х = the sound in Scottish loch or German Bach

So an English speaker should avoid saying gru- with a hard g.