<prompt> Egg Shell Calcification in chest X ray is seen in?SilicosisSarcoidosisTreated LymphomaAll above  <response>: ANSWER: D All aboveREF: Chapman 4th ed p. 148EGG SHELL CALCIFICATION:SilicosisPneumoconiosisSarcoidosisLymphoma following radiotherapyTB, Histoplasmosis, BlastomycosisAmyloidosis 