1The doctor ordered a biopsy to check for cancer cells in the patient's liver.
2After the biopsy, the patient had to rest for several hours to avoid bleeding.
3The results of the biopsy showed that the tumour was benign, not malignant.
4The doctor explained that a biopsy would be necessary to determine the cause of the symptoms.
5The hospital has a special department for performing biopsies and analysing the tissue samples.