求翻译：肝实质可见散在短T2结节；肝左叶外上段见类圆形稍长T2长T1信号，双回波序列见病变内含脂质成分；动态增强扫描；动脉期病变呈稍强化，门脉期及延迟扫描病变造影剂迅速消退，病变大小约为2.1cm*3.1cm*1.5cm;动态增强扫描；动脉期肝实质见多发斑片状强化，门脉期及延迟扫描未见异常信号；延迟期见肝内静脉汇入下腔静脉，肝内及下腔静脉未见明显狭窄，门脉主干宽约为1.4cm是什么意思？

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The parenchyma of liver disperses obviously in the short T2 tubercle; Outside the liver left leaf the upside sees kind of circular slightly long T2 the long T1 signal, the paired echo sequence sees the pathological change to contain the lipin ingredient; Dynamic enhancement scanning; The artery time

Liver real visible bulk in short T2 knot section; liver left leaves outside Shang segment see class round slightly long T2 long T1 signal, double echo sequence see lesions contains fat mass components; dynamic enhanced scan; artery period lesions is slightly strengthening, door pulse period and the

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