Lost indoor Cat on Central Street

Gray short haired cat with white on belly and paws. He has a partially shaved back that's is growing in. He's a big cat, around 20lbs and he has been indoors his entire life. He has been missing over 24 hours so he must have gotten out.  He is microchipped. He went missing from 59 Central St. Please call me if found 978-239-2394 or katiecraven@gmail.com. We are heartbroken.