Ultrasound detects occult colorectal tumors.
Fitzpatrick
M
M
D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D011379:Prognosis; D012680:Sensitivity and Specificity; D018615:Ultrasonography, Doppler, Color