The Darling River, 1,160 miles (1,879 km) in length, flows southwest from the edges of the Great Dividing Range into the Murray River. The Murray rises in the Australian Alps and flows 1,200 miles (1,930 km) to the Spencer Gulf, directly west of Adelaide.
In lung cancer screening, individuals who have a high risk of developing lung cancer but no signs or symptoms of the disease undergo low-dose computed tomography (LDCT) scanning of the chest.
Shopping for a ct scan: Heart CT scans can be useful for some patients, but are somewhat controversial. They are not recommended for patients with a very low heart attack risk -- below 55 with few risk factors for coronary artery disease -- or a very high risk.