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The concept of sentinel lymph node surgery is to determine if the cancer has spread to the very first draining lymph node (called the "sentinel lymph node") or not. If the sentinel lymph node does not contain cancer, then there is a high likelihood that the cancer has not spread to any other area of the body. [2]
The sentinel node market experienced high growth in the early and mid-1990s, starting with melanoma sentinel node surgical search and breast cancer sentinel node staging; both are currently considered standards of care. [4] The use of a radioactive tracer, rather than a coloured dye, was proposed in 1984. [5] [6]
The list starts out with a single node, the sentinel node which has the next and previous pointers point to itself. This condition determines if the list is empty. In a non-empty list, the sentinel node's next pointer gives the head of the list, and the previous pointer gives the tail of the list.
Girls ' Frontline 2: Exilium (simplified Chinese: 少女前线2：追放; traditional Chinese: 少女前線2：追放; pinyin: Shàonǚ Qiánxiàn 2: Zhuīfàng) is a turn-based tactical strategy game developed by China-based studio MICA Team, where players command squads of android characters, known in-universe as T-Dolls, armed with firearms and melee blades.
Sentinel Returns is a video game developed by Hookstone, produced by No-Name Games and published by Sony (under the Psygnosis label) in 1998, for Microsoft Windows and PlayStation. It is the sequel to The Sentinel by Geoff Crammond and features 651 levels, a multiplayer mode and a soundtrack (titled "Earth/Air") composed by John Carpenter and ...
Sentinel-2 is an Earth observation mission from the Copernicus Programme that acquires optical imagery at high spatial resolution (10 m to 60 m) over land and coastal waters. The mission's Sentinel-2A and Sentinel-2B satellites were joined in orbit in 2024 by a third, Sentinel-2C, and in the future by Sentinel-2D, eventually replacing the A and ...
The sentinel value is a form of in-band data that makes it possible to detect the end of the data when no out-of-band data (such as an explicit size indication) is provided. The value should be selected in such a way that it is guaranteed to be distinct from all legal data values since otherwise, the presence of such values would prematurely ...
The Sentinel, released in the United States as The Sentry, is a puzzle video game created by Geoff Crammond, published by Firebird in 1986 for the BBC Micro and converted to the Commodore 64 (by Crammond himself), Amstrad CPC (with a cross-compiler written by Crammond), ZX Spectrum (by Mike Follin), Atari ST, Amiga (both by Steve Bak) and IBM PC compatibles (by Mark Roll).