I analyzed dataset from a case-control study of (o)esophageal cancer in Ille-et-Vilaine, France.

##   agegp     alcgp    tobgp ncases ncontrols
## 1 25-34 0-39g/day 0-9g/day      0        40
## 2 25-34 0-39g/day    10-19      0        10
## 3 25-34 0-39g/day    20-29      0         6
## 4 25-34 0-39g/day      30+      0         5
## 5 25-34     40-79 0-9g/day      0        27

Shiny application for calculating probability of getting esphageal cancer is in this site

## [1] 0.2051282