Physically it is related to the breasts and stomach. It is said to have a feminine nature, and is therefore more reactive in its energy.
It is a Water sign, and as such is connected to the world of emotion and the instincts. It is also a Cardinal sign, which means that planets placed here will express themselves in a very dynamic fashion - especially in matters connected with care and protection. This sign is associated with motherhood and the family. There is a great sensitivity on an inner level, but rather a secretive nature. Loyalty and attachment, sentimentality and hanging on to the past, are all characteristics associated with Cancer.

Planets in this sign will often reflect a vulnerable character and oversensitive nature. There is also a possessive streak, and a tendency to be emotionally smothering. Nevertheless Cancer confers a strong intuitive nature and deeply-held feelings. There is a strong attachment to the home and awareness of the environment. Planets in Cancer come to expression most clearly in connection with the home and family.