An apparatus and a method for using the apparatus. The apparatus comprises a table for supporting a patient in a prone position. The apparatus further comprises a tomosynthesis imaging system disposed below the table for imaging a breast of the patient, the tomosynthesis imaging system comprising an x-ray source and a receptor, wherein the tomosynthesis imaging system is rotatable about a rotation axis defined between the x-ray source and the receptor. The apparatus further comprises a stage arm assembly for obtaining a tissue sample from the breast of the patient imaged by the tomosynthesis imaging system, the stage arm assembly comprising a support platform rotatable about the rotation axis and configured to support a biopsy needle.
