Changes

A mass may be visible via plain or contrast abdominal radiography. Both abdominal and thoracic imaging is required in assessing the surrounding structures.

A mass may be visible via plain or contrast abdominal radiography. Both abdominal and thoracic imaging is required in assessing the surrounding structures.

===Ultrasonography===

==Ultrasonography==

Superior to radiography in assessing infiltration or abnormalities of tissue architecture and assessing the surrounding structures for metastasis. Guided aspirates or biopsies may also be taken at this time, including lymph node sampling, to evaluate degree of systemic involvement.

Superior to radiography in assessing infiltration or abnormalities of tissue architecture and assessing the surrounding structures for metastasis. Guided aspirates or biopsies may also be taken at this time, including lymph node sampling, to evaluate degree of systemic involvement.