癌症曾被认为是一种不治之症。

Cancer was once considered an ___incurable disease.

过去大多数不治之症不再构成威胁。

Most of the ___incurable illnesses of the past are no longer a threat.

医生传达了令人心碎的消息，称这种疾病无法治愈。

The doctor delivered the devastating news that the condition was ___incurable.