label: M1a TNM Finding
label_lc: m1a tnm finding
description: "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."