M1a TNM Finding

**Semantic type:** Finding

**Definition:** A TNM finding indicating the spread of cancer to distant anatomic sites. The definition of M1a TNM finding depends on the specific type of cancer that it refers to; for example, for colorectal cancer it refers to metastasis confined to one organ or site (e.g., liver, lung, ovary, nonregional node); for prostate cancer it refers to metastasis to non-regional lymph node(s); for bone cancer it refers to metastasis to the lung.

**Synonyms:** - M1a - M1a - M1a Distant Metastasis Finding - M1a Metastasis Finding - M1a Stage Finding