The doctor advised her to have some pre-surgical examinations before the operation.

pre-surgical 是由前缀 pre-（表示“在...之前”）和形容词 surgical（“外科手术的”）组成的复合形容词，字面意思是“手术前的”。pre-surgical examinations 指“术前检查”，即在手术前进行的各项身体检查。