Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 49th is to consider, Whether one of the Infortunes being Significator, be joined to another, for if he signified a good himself, this will destroy or frustrate it; but if any evil, it will augment and double it, or change it into some worse mischief of another of another kind; as when the pain near the navel turns into a dry Dropsy; but if joined to a Fortune with a Reception on either side, the evil will be converted into good; but without a Reception it will only be allayed and abated, according to the strength of such Fortune.

50.To consider the Ascendant or Moon