Part II - Dealing with the Initial Diagnosis of Cancer c. Surgical vs. Needle Biopsy
It’s important to note that the degree of certainty regarding a diagnosis of cancer, as well as the type and stage, can be affected by whether the tissue being evaluated was based on a surgical excision or needle biopsy. Agency for Healthcare Research and Quality
With that said, apparently there have been studies that indicating that surgical excision is overused vs. needle biopsy in the case of breast cancer as discussed at the link below: New York Times
The bottom line is that when initially diagnosed with cancer, there should be confirmation that whichever procedure was used, it is sufficient to determine if the tissue is in fact malignant and if so, the type and stage of cancer.