chronic ulcer of skin decubitus ulcer https://github.com/monarch-initiative/mondo/issues/9097 https://www.malacards.org/card/decubitus_ulcer decubitus ulcer, other site MONDO:0004646 ICD9:707.0 decubitus ulcer, upper back DOID:8717 ICD10CM:L89 UMLS:C4554531 Death of tissue due to external pressure. decubitus ulcer, lower back SCTID:399912005 MEDGEN:1789997 pressure ulcer ICD9:707.00 decubitus ulcer, elbow pressure sores MESH:D003668 decubitus ulcer