diff --git a/invivos/app.R b/invivos/app.R
index 9f9a0d7..bc56f91 100755
--- a/invivos/app.R
+++ b/invivos/app.R
@@ -349,6 +349,13 @@ server <- function(input, output) {
     if (!is.null(input$file_analy)){ 
       table<-read.xlsx(input$file_analy$datapath, sheet = 1, check.names = F, sep.names = " ")
       if ("sex" %in% colnames(table)){table<-select(table, -sex)}
+      table$Long<-gsub(",",".", table$Long)
+      table$Wide<-gsub(",",".", table$Wide)
+      for (i in 1:nrow(table)){
+        long<-as.numeric(strsplit(table[i,"Long"],"+", fixed = T)[[1]])
+        wide<-as.numeric(strsplit(table[i,"Wide"],"+", fixed = T)[[1]])
+        table[i,"Volume"]<-sum(sapply(1:length(long), function(x) (long[x]*wide[x]*wide[x])*(pi/6)))
+      }
       analysis$taula<-table
     }
   })