M1b TNM Finding

**Semantic type:** Finding

**Definition:** A TNM finding indicating the spread of cancer to distant anatomic sites. The definition of M1b TNM finding depends on the specific type of cancer that it refers to; for example, for colorectal cancer it refers to metastases in more than one organ/site or the peritoneum; for prostate cancer it refers to metastasis to bone(s); for bone cancer it refers to metastasis to distant sites other than lung.

**Synonyms:** - M1b - M1b - M1b Distant Metastasis Finding - M1b Metastasis Finding - M1b Stage Finding