直接蔓延 meaning in English

direct spreading

There is acute and chronic prostatitis commonly . because blood infection or bacterial spread , the prostate rapidly gets engorgement , edema , exudation , or forms abscess , this causes acute bacterial prostatitis
因血行感染或者直接蔓延,前列腺被细菌等病原微生物侵入而迅速充血水肿渗出，形成小脓肿，甚至局限性较大脓肿是为急性前列腺炎。
Further development of disseminated tumor can spread from the lungs directly penetrated the chest wall , mediastinum , heart , vascular and other neighboring tube organizations ; after blood lymphatic metastasis to other parts of the body through the respiratory tract or disseminated to other lobe
癌肿进一步发展播散则可从肺直接蔓延侵入胸壁、纵隔、心脏、大血管等邻近器管组织；经淋巴道血道转移到身体其他部位或经呼吸道播散到其他肺叶。