The length from the part of venae jugularis externa up .0 cm above collarbone to the middle part of venae cava superior is .8+ .9cm on the left side and .+ .8cm on the right side.
The length from the part of venae jugularis externa up .0 cm above collarbone to the middle part of venae cava superior is .8+ .9cm on the left side and .+ .8cm on the right side.
颈外静脉距锁骨上方.0cm处至上腔静脉中段之间长度,左侧 .8±.9cm,右侧.±.8cm。