良性先天性肌紧张低下症用英语怎么说

良性先天性肌紧张低下症的英文：
BCH, benign congenital hypotonia

Diagnosed the tumour as benign.
诊断该肿瘤为良性的。

benign:Of a kind and gentle disposition.
善良的:性情善良与温和的。

The doctor diagnosed the tumor as benign.
医生认为这个肿块是良性的。

Congenital defects,blindness,etc
先天性缺陷、失明等.

A congenital idiot,syphilitic,etc
先天性白痴、梅毒患者等.

This ia a congenital form of anemia occurring mostly in blacks.
这是一种先天的贫血症，大多发生在黑人。