Completely stuck on the last 3 .
18A Gastric concretion in animal that's eaten another ( 6 ) _ E _ O _ R
21A Sage in vale getting cut ( 5 ) _ _ L _N(?)
23D Old medical attendant, one good at sponging (5) L_E_T
Any Good Samaritans out there ?
Many thanks Squarebear and Ulysses 100 . However I have EATH for 26A ( Go off German poet ? That's easy for Spenser ! (4) ). If LEECH is correct my T should be an H ?