<prompt> Garland sign on CXR in sarcoidosis involves all except:Right paratracheal nodesRight hilar nodesLeft hilar nodesLeft pretracheal lymph nodes  <response>: Ans. is d i.e., Left pretracheal lymph nodes o Bilateral hilar lymphadenopathy with right paratracheal nodal enlargement is classic for sarcoidosis and is referred to as the 1-2-3 sign or Garland triad.Garlands triad talso known as the 1-2-3 sign or Paw nbrokers sign! of Sarcoidosiso Right paratracheal nodeso Right hilar nodeso Left hilar nodes 