[A primary or metastatic malignant neoplasm involving the rectum. ( NCI )]
UMLS (ICD9CM) C0949022Malignant Neoplasm of Rectum
Malignant Neoplasm of the Rectum
Malignant Rectal Neoplasm
Malignant Rectal Tumor
Malignant Tumor of Rectum
Malignant Tumor of the Rectum