Subsegmental pulmonary embolism (SSPE) affects the 4th division and more distal pulmonary arterial branches. SSPE can be isolated or affect multiple subsegments
Transcatheter arterial chemoembolization(TACE)is an effective palliative intervention that is widely accepted for the management of hepatocellular carcinoma(HCC
The National Lung Screening Trial(NLST)was a large,randomized,controlled study showing a 20%reduction of lung cancer mortality and 7%reduction of all cause mort