The nave is covered by a barrel vault and separated from the presbytery by a depressed arch with Jesus's monogram in the center,<ref name=":0" /> and floral motifs at the sides. The left aisle leads to the sacristy, used as a women's gallery in the past and accessible directly from the Villa. After some restoration, there were found five niches with murals of faux marble friezes and with archways decorated with golden stars. These niches contain two wooden statues of the Virgin and Child and St.Saint Joseph, a crown and a scepter with the palms of martyrdom in reference to saints and martyrs.<ref>{{CitaCite web|autore = |url = http://www.visitbrianza.it/index.phtml?Id_VMenu=470&daabstract=923|titolotitle = Brugherio - Chiesa di S. Anna in San Damiano|accesso language= 18/04/2015Italian|editoreaccessdate = |data18 =April 2015}}</ref> There are also paintings depicting the Stations of the Cross and two paintings of the Madonna, St.Saint Anne and St.Saint Joachim on the right and the Saints Cosmas and Damian on the left. The restoration of the main door<ref name=":2">{{CitaCite web|autore = |url = http://www.ilrestauro.biz/restauri/chiesa/porte/porte.html|titolotitle = Interventi nella Chiesa di Sant'Anna in San Damiano a Brugherio (MI) eseguiti sotto la tutela delle Belle Arti|accesso language= Italian|editore = |data = }}</ref>, windows and furniture<ref name=":2" /> was carried out under the supervision of Belle Arti.
