title: Cancer of unknown primary origin: using ancillary techniques with caution.
authors: Rohit
authors: R
authors: Bhargava
authors: David J
authors: DJ
authors: Dabbs
mesh_terms: D019937:Diagnostic Techniques and Procedures / Q000592:standards*; D006801:Humans; D009382:Neoplasms, Unknown Primary / Q000175:diagnosis* / Q000235:genetics / Q000378:metabolism; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity