conclusion: primary breast angiosarcoma is a rare neoplasm and has a poor prognosis with early recurrence and metastasis.
结论:乳腺原发性血管肉瘤罕见,预后差,易复发转移。
but the ventricular tachycardia has a poor prognosis if its primary diseases are severe.
室性心动过速若原发病严重,则预后很差。
dr elizabeth rapley, institute of cancer research, said: "this cancer has a poor prognosis with fewer than 50% of patients surviving their disease for more than five years.
癌癥研究所的伊莉莎白·拉普利医生说:「肾癌很难治愈,能多活5年的患者不超过半数。」