| K-MSV | Kirsten murine sarcoma virus |
|---|---|
| KNRK | Kirsten sarcoma virus in normal rat kidney |
| KS | Kallmann syndrome; Kaposi sarcoma; Kartagener syndrome; Kawasaki syndrome; keratan sulfate; ketoster... |
| KS/OI | Kaposi sarcoma with opportunistic infection |
| LSA/RCS | lymphosarcoma-reticulum cell sarcoma |