Carcinoma

Primary Invasive ductal carcinoma Invasive lobular carcinoma Mucinous Tubular Papillary Other

Metastatic

Carcinoma

Increased cellularity Discohesion Lack of Myoepithelial cells Comet cells Cytologic features of malignancy

Increased cellularity

Discohesion & Lack of Myoepithelial cells

Comet cells

Cytologic features of malignancy

↑ N/C ratio Irregular nuclear

contour Hyperchromasia Presence of

nucleoli