YOU SAID:

I have extremely painful cancer.

INTO JAPANESE

私は非常に痛いがんがあります。

BACK INTO ENGLISH

I have cancer that is very painful.

INTO JAPANESE

私はがんは非常に痛いです。

BACK INTO ENGLISH

I have cancer very painful.

INTO JAPANESE

ガンが見つかった

BACK INTO ENGLISH

I have cancer.

INTO JAPANESE

ガンが見つかった

BACK INTO ENGLISH

I have cancer.