YOU SAID:
hello my friend is having a cancer
INTO JAPANESE
こんにちは、私の友人は癌にかかっています
BACK INTO ENGLISH
Hello, my friend is suffering from cancer
INTO JAPANESE
こんにちは、私の友人は癌に苦しんでいます
BACK INTO ENGLISH
Hello, my friend is suffering from cancer
Come on, you can do better than that.