Size of the tumor: The size of adrenal tumor on CT is an important criteria in determining the potential of cancer in the tumor. In general adrenal cancers are greater than 6cm in diameter. Most tumors under 6cm are benign (non-cancerous). However occasionally small tumors 4cm or greater may be cancerous.
The Australian aborigines are believed to have come from Asia, crossing via a series of land bridges that existed thousands of years ago. They were the original inhabitants before the Europeans arrived.NA testing has  indicated that the Australian Aborigines originally came from the  Indian subcontinent. They are believed â¦ to have come to Australia  via the land bridges that existed thousands of years ago but which  are now submerged. On the Wallaby.
Aboriginal people inhabited the whole of Australia and Torres Strait Islanders lived on the islands between Australia and Papua New Guinea, in what is now called the Torres Strait. There were over 500 different clan groups or 'nations' around the continent, many with distinctive cultures, beliefs and languages.efore the arrival of British colonisers in 1788, Australia was inhabited by the Indigenous peoples-Aborigines and Torres Strait Islanders, sometimes referred to as the First Australians.