Patients with phlebographically confirmed deep vein thrombosis of the calf:
(a) can expect asyptomatic recovery if treated promptly with anticoagulant
(b) may be effectively treated with low-dose heparin
(c) may be effectively treated with pneumatic compression stockings
(d) are at risk for significant pulmonary embolism
ANS- (d) are at risk for significant pulmonary embolism