Fig. 2

Omental structure. a Female, 58 years old, omental structure: moth-eaten. Pathological result: omental metastasis (ovarian cancer metastasis). b Female, 63 years old, omental structure: t reticular distribution of a non-echo area in a thickened omentum. Pathological result: omental pseudomyxoma. c Female, 71 years old, omental structure: dense. Pathological result: malignant (unclear source). d Male, 38 years old, omental structure: loose. Pathological results: omental tuberculosis