All of them had high risk of deep vein thrombosis-hyperviscosity.Clinical symptoms included cough, chest tightness and pain, breath...

• 临床表现为咳嗽、胸闷、胸痛、气短和呼吸困难,可通过血液流变学的检查协助诊断,多普勒彩超及血管造影、胸片确诊。