Medical (test) apparatus, (test) equipment and (test) instruments for localization and detection of tumors and small breast tumors; Medical diagnostic (test) apparatus, (test) instruments and (test) equipment for localization and detection of tumors and small breast tumors; magnetic probes and sensors for medical use; hand-held magnetic probes and sensors for medical use; medical apparatus, devices and instruments for the diagnosis and staging of cancers; magnetic probes for the diagnosis and staging of cancers; all of the aforesaid only in relation to tumour location and metrology systems for use in aiding and assisting diagnosis and surgery relating to soft tissue cancer