YOU SAID:

His throat and chest were getting tighter.

INTO JAPANESE

喉と胸がきつくなってきました。

BACK INTO ENGLISH

My throat and chest have become tight.

INTO JAPANESE

喉も胸も苦しくなりました。

BACK INTO ENGLISH

My throat and chest hurt.

INTO JAPANESE

喉と胸が痛くなりました。

BACK INTO ENGLISH

My throat and chest hurt.