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  Indian J Med Microbiol
 

Figure 3: The microscopy of the retroperitoneal mass: (a) H and E, ×100 depicting the lobular arrangement of cells with fibrous septae. (b) H and E, ×200, depicting the good number of blood vessels and abrupt nuclear atypia. (c) H and E, ×400, showing the nuclear atypia. (d) IHC stain showing strong positivity for chromogranin, ×200

Figure 3: The microscopy of the retroperitoneal mass: (a) H and E, ×100 depicting the lobular arrangement of cells with fibrous septae. (b) H and E, ×200, depicting the good number of blood vessels and abrupt nuclear atypia. (c) H and E, ×400, showing the nuclear atypia. (d) IHC stain showing strong positivity for chromogranin, ×200