mass lesion

used in reference to any unidentified object within the body (i.e. soft tissue mass, suspected tumor)

Specific

abdominal mass brain lesion chest wall mass intracranial mass lesion liver mass neck mass/adenopathy palpable mass pelvic mass periaortic mass lesion rectal mass renal mass retroperitoneal mass lesion submandibular mass; submandibular swelling thoracic mass lesion thyroid nodule wrist mass

General

abnormal morphologic structure (malformation) lesion