Frequency of synchronous malignant liver lesions initially detected by ultrasound in patients with newly diagnosed underlying non-hematologic malignant disease: a retrospective study in 434 patients.

In total, the frequency of malignant synchronous FLLs in newly diagnosed non-hematologic malignant disease was 59.4%. In particular, cholangiocarcinoma, neuroendocrine tumor, and pancreatic carcinoma were the diseases with the highest rate of synchronous malignant FLLs.