3 sentences for 确诊 (què​zhěn — diagnose)

1. 医生确诊他患有恶性肿瘤。

   yī​shēng què​zhěn tā huàn​yǒu è​xìng​zhǒng​liú.

   The doctor diagnosed him with a malignant tumor.

   Source: Dong Chinese Dictionary

2. 医生通过化验确诊了他的病情。

   yī​shēng tōng​guò huà​yàn què​zhěn le tā de bìng​qíng.

   The doctor confirmed the diagnosis through laboratory tests.

   Source: Dong Chinese Dictionary

3. 医生确诊他患有真性近视，建议配戴眼镜。

   yī​shēng què​zhěn tā huàn​yǒu zhēn​xìng jìn​shì, jiàn​yì pèi​dài yǎn​jìng.

   The doctor diagnosed him with axial myopia and recommended wearing glasses.

   Source: Dong Chinese Dictionary